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AFError.html

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  1. <!DOCTYPE html>
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  2. <html lang="en">
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  3.   <head>
    4. 

  4.     <title>AFError Enumeration Reference</title>
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  51.       <a class="breadcrumb" href="../index.html">Alamofire Reference</a>
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    53. 

  53.       AFError Enumeration Reference
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  54.     </p>
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  55. 

  56.     <div class="content-wrapper">
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  63.                 <a class="nav-group-task-link" href="../Classes/DataRequest.html">DataRequest</a>
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  64.               </li>
    65. 

  65.               <li class="nav-group-task">
    66. 

  66.                 <a class="nav-group-task-link" href="../Classes/DownloadRequest.html">DownloadRequest</a>
    67. 

  67.               </li>
    68. 

  68.               <li class="nav-group-task">
    69. 

  69.                 <a class="nav-group-task-link" href="../Classes/DownloadRequest/DownloadOptions.html">– DownloadOptions</a>
    70. 

  70.               </li>
    71. 

  71.               <li class="nav-group-task">
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  72.                 <a class="nav-group-task-link" href="../Classes/MultipartFormData.html">MultipartFormData</a>
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  78.                 <a class="nav-group-task-link" href="../Classes/NetworkReachabilityManager/NetworkReachabilityStatus.html">– NetworkReachabilityStatus</a>
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  81.                 <a class="nav-group-task-link" href="../Classes/NetworkReachabilityManager/ConnectionType.html">– ConnectionType</a>
    82. 

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  84.                 <a class="nav-group-task-link" href="../Classes/Request.html">Request</a>
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  85.               </li>
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  87.                 <a class="nav-group-task-link" href="../Classes/Request/ValidationResult.html">– ValidationResult</a>
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  99.                 <a class="nav-group-task-link" href="../Classes/SessionManager/MultipartFormDataEncodingResult.html">– MultipartFormDataEncodingResult</a>
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  102.                 <a class="nav-group-task-link" href="../Classes.html#/s:9Alamofire13StreamRequestC">StreamRequest</a>
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  108.                 <a class="nav-group-task-link" href="../Classes/UploadRequest.html">UploadRequest</a>
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  116.                 <a class="nav-group-task-link" href="../Enums/AFError.html">AFError</a>
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  117.               </li>
    118. 

  118.               <li class="nav-group-task">
    119. 

  119.                 <a class="nav-group-task-link" href="../Enums/AFError/ParameterEncodingFailureReason.html">– ParameterEncodingFailureReason</a>
    120. 

  120.               </li>
    121. 

  121.               <li class="nav-group-task">
    122. 

  122.                 <a class="nav-group-task-link" href="../Enums/AFError/MultipartEncodingFailureReason.html">– MultipartEncodingFailureReason</a>
    123. 

  123.               </li>
    124. 

  124.               <li class="nav-group-task">
    125. 

  125.                 <a class="nav-group-task-link" href="../Enums/AFError/ResponseValidationFailureReason.html">– ResponseValidationFailureReason</a>
    126. 

  126.               </li>
    127. 

  127.               <li class="nav-group-task">
    128. 

  128.                 <a class="nav-group-task-link" href="../Enums/AFError/ResponseSerializationFailureReason.html">– ResponseSerializationFailureReason</a>
    129. 

  129.               </li>
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  131.                 <a class="nav-group-task-link" href="../Enums/HTTPMethod.html">HTTPMethod</a>
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    147. 

  147.               <li class="nav-group-task">
    148. 

  148.                 <a class="nav-group-task-link" href="../Extensions/Notification/Name.html">– Name</a>
    149. 

  149.               </li>
    150. 

  150.               <li class="nav-group-task">
    151. 

  151.                 <a class="nav-group-task-link" href="../Extensions/Notification/Key.html">– Key</a>
    152. 

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    163. 

  163.                 <a class="nav-group-task-link" href="../Extensions/URLRequest.html">URLRequest</a>
    164. 

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    170. 

  170.               <li class="nav-group-task">
    171. 

  171.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire2eeoiSbAA26NetworkReachabilityManagerC0cD6StatusO_AFtF">==(_:_:)</a>
    172. 

  172.               </li>
    173. 

  173.               <li class="nav-group-task">
    174. 

  174.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire8downloadAA15DownloadRequestCAA14URLConvertible_p_AA10HTTPMethodO6methods10DictionaryVySSypGSg10parametersAA17ParameterEncoding_p8encodingAJyS2SGSg7headers10Foundation3URLV011destinationO0_AD0C7OptionsV7optionstAU_So15HTTPURLResponseCtcSg2totF">download(_:method:parameters:encoding:headers:to:)</a>
    175. 

  175.               </li>
    176. 

  176.               <li class="nav-group-task">
    177. 

  177.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire8downloadAA15DownloadRequestCAA21URLRequestConvertible_p_10Foundation3URLV011destinationH0_AD0C7OptionsV7optionstAH_So15HTTPURLResponseCtcSg2totF">download(_:to:)</a>
    178. 

  178.               </li>
    179. 

  179.               <li class="nav-group-task">
    180. 

  180.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire8downloadAA15DownloadRequestC10Foundation4DataV12resumingWith_AE3URLV011destinationI0_AD0C7OptionsV7optionstAJ_So15HTTPURLResponseCtcSg2totF">download(resumingWith:to:)</a>
    181. 

  181.               </li>
    182. 

  182.               <li class="nav-group-task">
    183. 

  183.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire7requestAA11DataRequestCAA21URLRequestConvertible_pF">request(_:)</a>
    184. 

  184.               </li>
    185. 

  185.               <li class="nav-group-task">
    186. 

  186.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire7requestAA11DataRequestCAA14URLConvertible_p_AA10HTTPMethodO6methods10DictionaryVySSypGSg10parametersAA17ParameterEncoding_p8encodingAJyS2SGSg7headerstF">request(_:method:parameters:encoding:headers:)</a>
    187. 

  187.               </li>
    188. 

  188.               <li class="nav-group-task">
    189. 

  189.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6streamAA13StreamRequestCSo10NetServiceC4with_tF">stream(with:)</a>
    190. 

  190.               </li>
    191. 

  191.               <li class="nav-group-task">
    192. 

  192.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6streamAA13StreamRequestCSS12withHostName_Si4porttF">stream(withHostName:port:)</a>
    193. 

  193.               </li>
    194. 

  194.               <li class="nav-group-task">
    195. 

  195.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestC10Foundation3URLV_AA14URLConvertible_p2toAA10HTTPMethodO6methods10DictionaryVyS2SGSg7headerstF">upload(_:to:method:headers:)</a>
    196. 

  196.               </li>
    197. 

  197.               <li class="nav-group-task">
    198. 

  198.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestC10Foundation4DataV_AA14URLConvertible_p2toAA10HTTPMethodO6methods10DictionaryVyS2SGSg7headerstF">upload(_:to:method:headers:)</a>
    199. 

  199.               </li>
    200. 

  200.               <li class="nav-group-task">
    201. 

  201.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestCSo11InputStreamC_AA14URLConvertible_p2toAA10HTTPMethodO6methods10DictionaryVyS2SGSg7headerstF">upload(_:to:method:headers:)</a>
    202. 

  202.               </li>
    203. 

  203.               <li class="nav-group-task">
    204. 

  204.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestC10Foundation3URLV_AA21URLRequestConvertible_p4withtF">upload(_:with:)</a>
    205. 

  205.               </li>
    206. 

  206.               <li class="nav-group-task">
    207. 

  207.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestC10Foundation4DataV_AA21URLRequestConvertible_p4withtF">upload(_:with:)</a>
    208. 

  208.               </li>
    209. 

  209.               <li class="nav-group-task">
    210. 

  210.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestCSo11InputStreamC_AA21URLRequestConvertible_p4withtF">upload(_:with:)</a>
    211. 

  211.               </li>
    212. 

  212.               <li class="nav-group-task">
    213. 

  213.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadyyAA17MultipartFormDataCc09multipartdE0_s6UInt64V14usingThresholdAA14URLConvertible_p2toAA10HTTPMethodO6methods10DictionaryVyS2SGSg7headersyAA14SessionManagerC0cdE14EncodingResultOcSg18encodingCompletiontF">upload(multipartFormData:usingThreshold:to:method:headers:encodingCompletion:)</a>
    214. 

  214.               </li>
    215. 

  215.               <li class="nav-group-task">
    216. 

  216.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadyyAA17MultipartFormDataCc09multipartdE0_s6UInt64V14usingThresholdAA21URLRequestConvertible_p4withyAA14SessionManagerC0cdE14EncodingResultOcSg18encodingCompletiontF">upload(multipartFormData:usingThreshold:with:encodingCompletion:)</a>
    217. 

  217.               </li>
    218. 

  218.             </ul>
    219. 

  219.           </li>
    220. 

  220.           <li class="nav-group-name">
    221. 

  221.             <a class="nav-group-name-link" href="../Protocols.html">Protocols</a>
    222. 

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    223. 

  223.               <li class="nav-group-task">
    224. 

  224.                 <a class="nav-group-task-link" href="../Protocols/DataResponseSerializerProtocol.html">DataResponseSerializerProtocol</a>
    225. 

  225.               </li>
    226. 

  226.               <li class="nav-group-task">
    227. 

  227.                 <a class="nav-group-task-link" href="../Protocols/DownloadResponseSerializerProtocol.html">DownloadResponseSerializerProtocol</a>
    228. 

  228.               </li>
    229. 

  229.               <li class="nav-group-task">
    230. 

  230.                 <a class="nav-group-task-link" href="../Protocols/ParameterEncoding.html">ParameterEncoding</a>
    231. 

  231.               </li>
    232. 

  232.               <li class="nav-group-task">
    233. 

  233.                 <a class="nav-group-task-link" href="../Protocols/RequestAdapter.html">RequestAdapter</a>
    234. 

  234.               </li>
    235. 

  235.               <li class="nav-group-task">
    236. 

  236.                 <a class="nav-group-task-link" href="../Protocols/RequestRetrier.html">RequestRetrier</a>
    237. 

  237.               </li>
    238. 

  238.               <li class="nav-group-task">
    239. 

  239.                 <a class="nav-group-task-link" href="../Protocols/URLConvertible.html">URLConvertible</a>
    240. 

  240.               </li>
    241. 

  241.               <li class="nav-group-task">
    242. 

  242.                 <a class="nav-group-task-link" href="../Protocols/URLRequestConvertible.html">URLRequestConvertible</a>
    243. 

  243.               </li>
    244. 

  244.             </ul>
    245. 

  245.           </li>
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  246.           <li class="nav-group-name">
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  247.             <a class="nav-group-name-link" href="../Structs.html">Structures</a>
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  248.             <ul class="nav-group-tasks">
    249. 

  249.               <li class="nav-group-task">
    250. 

  250.                 <a class="nav-group-task-link" href="../Structs/DataResponse.html">DataResponse</a>
    251. 

  251.               </li>
    252. 

  252.               <li class="nav-group-task">
    253. 

  253.                 <a class="nav-group-task-link" href="../Structs/DataResponseSerializer.html">DataResponseSerializer</a>
    254. 

  254.               </li>
    255. 

  255.               <li class="nav-group-task">
    256. 

  256.                 <a class="nav-group-task-link" href="../Structs/DefaultDataResponse.html">DefaultDataResponse</a>
    257. 

  257.               </li>
    258. 

  258.               <li class="nav-group-task">
    259. 

  259.                 <a class="nav-group-task-link" href="../Structs/DefaultDownloadResponse.html">DefaultDownloadResponse</a>
    260. 

  260.               </li>
    261. 

  261.               <li class="nav-group-task">
    262. 

  262.                 <a class="nav-group-task-link" href="../Structs/DownloadResponse.html">DownloadResponse</a>
    263. 

  263.               </li>
    264. 

  264.               <li class="nav-group-task">
    265. 

  265.                 <a class="nav-group-task-link" href="../Structs/DownloadResponseSerializer.html">DownloadResponseSerializer</a>
    266. 

  266.               </li>
    267. 

  267.               <li class="nav-group-task">
    268. 

  268.                 <a class="nav-group-task-link" href="../Structs/JSONEncoding.html">JSONEncoding</a>
    269. 

  269.               </li>
    270. 

  270.               <li class="nav-group-task">
    271. 

  271.                 <a class="nav-group-task-link" href="../Structs/PropertyListEncoding.html">PropertyListEncoding</a>
    272. 

  272.               </li>
    273. 

  273.               <li class="nav-group-task">
    274. 

  274.                 <a class="nav-group-task-link" href="../Structs/Timeline.html">Timeline</a>
    275. 

  275.               </li>
    276. 

  276.               <li class="nav-group-task">
    277. 

  277.                 <a class="nav-group-task-link" href="../Structs/URLEncoding.html">URLEncoding</a>
    278. 

  278.               </li>
    279. 

  279.               <li class="nav-group-task">
    280. 

  280.                 <a class="nav-group-task-link" href="../Structs/URLEncoding/Destination.html">– Destination</a>
    281. 

  281.               </li>
    282. 

  282.             </ul>
    283. 

  283.           </li>
    284. 

  284.           <li class="nav-group-name">
    285. 

  285.             <a class="nav-group-name-link" href="../Typealiases.html">Type Aliases</a>
    286. 

  286.             <ul class="nav-group-tasks">
    287. 

  287.               <li class="nav-group-task">
    288. 

  288.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire11HTTPHeadersa">HTTPHeaders</a>
    289. 

  289.               </li>
    290. 

  290.               <li class="nav-group-task">
    291. 

  291.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire10Parametersa">Parameters</a>
    292. 

  292.               </li>
    293. 

  293.               <li class="nav-group-task">
    294. 

  294.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire22RequestRetryCompletiona">RequestRetryCompletion</a>
    295. 

  295.               </li>
    296. 

  296.             </ul>
    297. 

  297.           </li>
    298. 

  298.         </ul>
    299. 

  299.       </nav>
    300. 

  300.       <article class="main-content">
    301. 

  301. 

  302.         <section class="section">
    303. 

  303.           <div class="section-content">
    304. 

  304.             <h1>AFError</h1>
    305. 

  305.               <div class="declaration">
    306. 

  306.                 <div class="language">
    307. 

  307.                   <pre class="highlight"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">AFError</span><span class="p">:</span> <span class="kt">Error</span></code></pre>
    308. 

  308. 

  309.                 </div>
    310. 

  310.               </div>
    311. 

  311.             <p><code>AFError</code> is the error type returned by Alamofire. It encompasses a few different types of errors, each with
    312. 

  312. their own associated reasons.</p>
    313. 

  313. 

  314. <ul>
    315. 

  315. <li>invalidURL:                  Returned when a <code><a href="../Protocols/URLConvertible.html">URLConvertible</a></code> type fails to create a valid <code>URL</code>.</li>
    316. 

  316. <li>parameterEncodingFailed:     Returned when a parameter encoding object throws an error during the encoding process.</li>
    317. 

  317. <li>multipartEncodingFailed:     Returned when some step in the multipart encoding process fails.</li>
    318. 

  318. <li>responseValidationFailed:    Returned when a <code>validate()</code> call fails.</li>
    319. 

  319. <li>responseSerializationFailed: Returned when a response serializer encounters an error in the serialization process.</li>
    320. 

  320. </ul>
    321. 

  321. 

  322.           </div>
    323. 

  323.         </section>
    324. 

  324. 

  325.         <section class="section">
    326. 

  326.           <div class="section-content">
    327. 

  327.             <div class="task-group">
    328. 

  328.               <ul class="item-container">
    329. 

  329.                 <li class="item">
    330. 

  330.                   <div>
    331. 

  331.                     <code>
    332. 

  332.                     <a name="/s:9Alamofire7AFErrorO30ParameterEncodingFailureReasonO"></a>
    333. 

  333.                     <a name="//apple_ref/swift/Enum/ParameterEncodingFailureReason" class="dashAnchor"></a>
    334. 

  334.                     <a class="token" href="#/s:9Alamofire7AFErrorO30ParameterEncodingFailureReasonO">ParameterEncodingFailureReason</a>
    335. 

  335.                     </code>
    336. 

  336.                   </div>
    337. 

  337.                   <div class="height-container">
    338. 

  338.                     <div class="pointer-container"></div>
    339. 

  339.                     <section class="section">
    340. 

  340.                       <div class="pointer"></div>
    341. 

  341.                       <div class="abstract">
    342. 

  342.                         <p>The underlying reason the parameter encoding error occurred.</p>
    343. 

  343. 

  344. <ul>
    345. 

  345. <li>missingURL:                 The URL request did not have a URL to encode.</li>
    346. 

  346. <li>jsonEncodingFailed:         JSON serialization failed with an underlying system error during the
    347. 

  347.                           encoding process.</li>
    348. 

  348. <li>propertyListEncodingFailed: Property list serialization failed with an underlying system error during
    349. 

  349.                           encoding process.</li>
    350. 

  350. </ul>
    351. 

  351. 

  352.                         <a href="../Enums/AFError/ParameterEncodingFailureReason.html" class="slightly-smaller">See more</a>
    353. 

  353.                       </div>
    354. 

  354.                       <div class="declaration">
    355. 

  355.                         <h4>Declaration</h4>
    356. 

  356.                         <div class="language">
    357. 

  357.                           <p class="aside-title">Swift</p>
    358. 

  358.                           <pre class="highlight"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">ParameterEncodingFailureReason</span></code></pre>
    359. 

  359. 

  360.                         </div>
    361. 

  361.                       </div>
    362. 

  362.                     </section>
    363. 

  363.                   </div>
    364. 

  364.                 </li>
    365. 

  365.                 <li class="item">
    366. 

  366.                   <div>
    367. 

  367.                     <code>
    368. 

  368.                     <a name="/s:9Alamofire7AFErrorO30MultipartEncodingFailureReasonO"></a>
    369. 

  369.                     <a name="//apple_ref/swift/Enum/MultipartEncodingFailureReason" class="dashAnchor"></a>
    370. 

  370.                     <a class="token" href="#/s:9Alamofire7AFErrorO30MultipartEncodingFailureReasonO">MultipartEncodingFailureReason</a>
    371. 

  371.                     </code>
    372. 

  372.                   </div>
    373. 

  373.                   <div class="height-container">
    374. 

  374.                     <div class="pointer-container"></div>
    375. 

  375.                     <section class="section">
    376. 

  376.                       <div class="pointer"></div>
    377. 

  377.                       <div class="abstract">
    378. 

  378.                         <p>The underlying reason the multipart encoding error occurred.</p>
    379. 

  379. 

  380. <ul>
    381. 

  381. <li>bodyPartURLInvalid:                   The <code>fileURL</code> provided for reading an encodable body part isn&rsquo;t a
    382. 

  382.                                     file URL.</li>
    383. 

  383. <li>bodyPartFilenameInvalid:              The filename of the <code>fileURL</code> provided has either an empty
    384. 

  384.                                     <code>lastPathComponent</code> or `pathExtension.</li>
    385. 

  385. <li>bodyPartFileNotReachable:             The file at the <code>fileURL</code> provided was not reachable.</li>
    386. 

  386. <li>bodyPartFileNotReachableWithError:    Attempting to check the reachability of the <code>fileURL</code> provided threw
    387. 

  387.                                     an error.</li>
    388. 

  388. <li>bodyPartFileIsDirectory:              The file at the <code>fileURL</code> provided is actually a directory.</li>
    389. 

  389. <li>bodyPartFileSizeNotAvailable:         The size of the file at the <code>fileURL</code> provided was not returned by
    390. 

  390.                                     the system.</li>
    391. 

  391. <li>bodyPartFileSizeQueryFailedWithError: The attempt to find the size of the file at the <code>fileURL</code> provided
    392. 

  392.                                     threw an error.</li>
    393. 

  393. <li>bodyPartInputStreamCreationFailed:    An <code>InputStream</code> could not be created for the provided <code>fileURL</code>.</li>
    394. 

  394. <li>outputStreamCreationFailed:           An <code>OutputStream</code> could not be created when attempting to write the
    395. 

  395.                                     encoded data to disk.</li>
    396. 

  396. <li>outputStreamFileAlreadyExists:        The encoded body data could not be writtent disk because a file
    397. 

  397.                                     already exists at the provided <code>fileURL</code>.</li>
    398. 

  398. <li>outputStreamURLInvalid:               The <code>fileURL</code> provided for writing the encoded body data to disk is
    399. 

  399.                                     not a file URL.</li>
    400. 

  400. <li>outputStreamWriteFailed:              The attempt to write the encoded body data to disk failed with an
    401. 

  401.                                     underlying error.</li>
    402. 

  402. <li>inputStreamReadFailed:                The attempt to read an encoded body part <code>InputStream</code> failed with
    403. 

  403.                                     underlying system error.</li>
    404. 

  404. </ul>
    405. 

  405. 

  406.                         <a href="../Enums/AFError/MultipartEncodingFailureReason.html" class="slightly-smaller">See more</a>
    407. 

  407.                       </div>
    408. 

  408.                       <div class="declaration">
    409. 

  409.                         <h4>Declaration</h4>
    410. 

  410.                         <div class="language">
    411. 

  411.                           <p class="aside-title">Swift</p>
    412. 

  412.                           <pre class="highlight"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">MultipartEncodingFailureReason</span></code></pre>
    413. 

  413. 

  414.                         </div>
    415. 

  415.                       </div>
    416. 

  416.                     </section>
    417. 

  417.                   </div>
    418. 

  418.                 </li>
    419. 

  419.                 <li class="item">
    420. 

  420.                   <div>
    421. 

  421.                     <code>
    422. 

  422.                     <a name="/s:9Alamofire7AFErrorO31ResponseValidationFailureReasonO"></a>
    423. 

  423.                     <a name="//apple_ref/swift/Enum/ResponseValidationFailureReason" class="dashAnchor"></a>
    424. 

  424.                     <a class="token" href="#/s:9Alamofire7AFErrorO31ResponseValidationFailureReasonO">ResponseValidationFailureReason</a>
    425. 

  425.                     </code>
    426. 

  426.                   </div>
    427. 

  427.                   <div class="height-container">
    428. 

  428.                     <div class="pointer-container"></div>
    429. 

  429.                     <section class="section">
    430. 

  430.                       <div class="pointer"></div>
    431. 

  431.                       <div class="abstract">
    432. 

  432.                         <p>The underlying reason the response validation error occurred.</p>
    433. 

  433. 

  434. <ul>
    435. 

  435. <li>dataFileNil:             The data file containing the server response did not exist.</li>
    436. 

  436. <li>dataFileReadFailed:      The data file containing the server response could not be read.</li>
    437. 

  437. <li>missingContentType:      The response did not contain a <code>Content-Type</code> and the <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO22acceptableContentTypesSaySSGSgv">acceptableContentTypes</a></code>
    438. 

  438.                        provided did not contain wildcard type.</li>
    439. 

  439. <li>unacceptableContentType: The response <code>Content-Type</code> did not match any type in the provided
    440. 

  440.                        <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO22acceptableContentTypesSaySSGSgv">acceptableContentTypes</a></code>.</li>
    441. 

  441. <li>unacceptableStatusCode:  The response status code was not acceptable.</li>
    442. 

  442. </ul>
    443. 

  443. 

  444.                         <a href="../Enums/AFError/ResponseValidationFailureReason.html" class="slightly-smaller">See more</a>
    445. 

  445.                       </div>
    446. 

  446.                       <div class="declaration">
    447. 

  447.                         <h4>Declaration</h4>
    448. 

  448.                         <div class="language">
    449. 

  449.                           <p class="aside-title">Swift</p>
    450. 

  450.                           <pre class="highlight"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">ResponseValidationFailureReason</span></code></pre>
    451. 

  451. 

  452.                         </div>
    453. 

  453.                       </div>
    454. 

  454.                     </section>
    455. 

  455.                   </div>
    456. 

  456.                 </li>
    457. 

  457.                 <li class="item">
    458. 

  458.                   <div>
    459. 

  459.                     <code>
    460. 

  460.                     <a name="/s:9Alamofire7AFErrorO34ResponseSerializationFailureReasonO"></a>
    461. 

  461.                     <a name="//apple_ref/swift/Enum/ResponseSerializationFailureReason" class="dashAnchor"></a>
    462. 

  462.                     <a class="token" href="#/s:9Alamofire7AFErrorO34ResponseSerializationFailureReasonO">ResponseSerializationFailureReason</a>
    463. 

  463.                     </code>
    464. 

  464.                   </div>
    465. 

  465.                   <div class="height-container">
    466. 

  466.                     <div class="pointer-container"></div>
    467. 

  467.                     <section class="section">
    468. 

  468.                       <div class="pointer"></div>
    469. 

  469.                       <div class="abstract">
    470. 

  470.                         <p>The underlying reason the response serialization error occurred.</p>
    471. 

  471. 

  472. <ul>
    473. 

  473. <li>inputDataNil:                    The server response contained no data.</li>
    474. 

  474. <li>inputDataNilOrZeroLength:        The server response contained no data or the data was zero length.</li>
    475. 

  475. <li>inputFileNil:                    The file containing the server response did not exist.</li>
    476. 

  476. <li>inputFileReadFailed:             The file containing the server response could not be read.</li>
    477. 

  477. <li>stringSerializationFailed:       String serialization failed using the provided <code>String.Encoding</code>.</li>
    478. 

  478. <li>jsonSerializationFailed:         JSON serialization failed with an underlying system error.</li>
    479. 

  479. <li>propertyListSerializationFailed: Property list serialization failed with an underlying system error.</li>
    480. 

  480. </ul>
    481. 

  481. 

  482.                         <a href="../Enums/AFError/ResponseSerializationFailureReason.html" class="slightly-smaller">See more</a>
    483. 

  483.                       </div>
    484. 

  484.                       <div class="declaration">
    485. 

  485.                         <h4>Declaration</h4>
    486. 

  486.                         <div class="language">
    487. 

  487.                           <p class="aside-title">Swift</p>
    488. 

  488.                           <pre class="highlight"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">ResponseSerializationFailureReason</span></code></pre>
    489. 

  489. 

  490.                         </div>
    491. 

  491.                       </div>
    492. 

  492.                     </section>
    493. 

  493.                   </div>
    494. 

  494.                 </li>
    495. 

  495.               </ul>
    496. 

  496.             </div>
    497. 

  497.             <div class="task-group">
    498. 

  498.               <ul class="item-container">
    499. 

  499.                 <li class="item">
    500. 

  500.                   <div>
    501. 

  501.                     <code>
    502. 

  502.                     <a name="/s:9Alamofire7AFErrorO10invalidURLAcA14URLConvertible_p3url_tcACmF"></a>
    503. 

  503.                     <a name="//apple_ref/swift/Element/invalidURL" class="dashAnchor"></a>
    504. 

  504.                     <a class="token" href="#/s:9Alamofire7AFErrorO10invalidURLAcA14URLConvertible_p3url_tcACmF">invalidURL</a>
    505. 

  505.                     </code>
    506. 

  506.                   </div>
    507. 

  507.                   <div class="height-container">
    508. 

  508.                     <div class="pointer-container"></div>
    509. 

  509.                     <section class="section">
    510. 

  510.                       <div class="pointer"></div>
    511. 

  511.                       <div class="abstract">
    512. 

  512.                         <p>Undocumented</p>
    513. 

  513. 

  514.                       </div>
    515. 

  515.                       <div class="declaration">
    516. 

  516.                         <h4>Declaration</h4>
    517. 

  517.                         <div class="language">
    518. 

  518.                           <p class="aside-title">Swift</p>
    519. 

  519.                           <pre class="highlight"><code><span class="k">case</span> <span class="nf">invalidURL</span><span class="p">(</span><span class="nv">url</span><span class="p">:</span> <span class="kt"><a href="../Protocols/URLConvertible.html">URLConvertible</a></span><span class="p">)</span></code></pre>
    520. 

  520. 

  521.                         </div>
    522. 

  522.                       </div>
    523. 

  523.                     </section>
    524. 

  524.                   </div>
    525. 

  525.                 </li>
    526. 

  526.               </ul>
    527. 

  527.             </div>
    528. 

  528.             <div class="task-group">
    529. 

  529.               <ul class="item-container">
    530. 

  530.                 <li class="item">
    531. 

  531.                   <div>
    532. 

  532.                     <code>
    533. 

  533.                     <a name="/s:9Alamofire7AFErrorO23parameterEncodingFailedA2C09ParameterD13FailureReasonO6reason_tcACmF"></a>
    534. 

  534.                     <a name="//apple_ref/swift/Element/parameterEncodingFailed" class="dashAnchor"></a>
    535. 

  535.                     <a class="token" href="#/s:9Alamofire7AFErrorO23parameterEncodingFailedA2C09ParameterD13FailureReasonO6reason_tcACmF">parameterEncodingFailed</a>
    536. 

  536.                     </code>
    537. 

  537.                   </div>
    538. 

  538.                   <div class="height-container">
    539. 

  539.                     <div class="pointer-container"></div>
    540. 

  540.                     <section class="section">
    541. 

  541.                       <div class="pointer"></div>
    542. 

  542.                       <div class="abstract">
    543. 

  543.                         <p>Undocumented</p>
    544. 

  544. 

  545.                       </div>
    546. 

  546.                       <div class="declaration">
    547. 

  547.                         <h4>Declaration</h4>
    548. 

  548.                         <div class="language">
    549. 

  549.                           <p class="aside-title">Swift</p>
    550. 

  550.                           <pre class="highlight"><code><span class="k">case</span> <span class="nf">parameterEncodingFailed</span><span class="p">(</span><span class="nv">reason</span><span class="p">:</span> <span class="kt"><a href="../Enums/AFError/ParameterEncodingFailureReason.html">ParameterEncodingFailureReason</a></span><span class="p">)</span></code></pre>
    551. 

  551. 

  552.                         </div>
    553. 

  553.                       </div>
    554. 

  554.                     </section>
    555. 

  555.                   </div>
    556. 

  556.                 </li>
    557. 

  557.               </ul>
    558. 

  558.             </div>
    559. 

  559.             <div class="task-group">
    560. 

  560.               <ul class="item-container">
    561. 

  561.                 <li class="item">
    562. 

  562.                   <div>
    563. 

  563.                     <code>
    564. 

  564.                     <a name="/s:9Alamofire7AFErrorO23multipartEncodingFailedA2C09MultipartD13FailureReasonO6reason_tcACmF"></a>
    565. 

  565.                     <a name="//apple_ref/swift/Element/multipartEncodingFailed" class="dashAnchor"></a>
    566. 

  566.                     <a class="token" href="#/s:9Alamofire7AFErrorO23multipartEncodingFailedA2C09MultipartD13FailureReasonO6reason_tcACmF">multipartEncodingFailed</a>
    567. 

  567.                     </code>
    568. 

  568.                   </div>
    569. 

  569.                   <div class="height-container">
    570. 

  570.                     <div class="pointer-container"></div>
    571. 

  571.                     <section class="section">
    572. 

  572.                       <div class="pointer"></div>
    573. 

  573.                       <div class="abstract">
    574. 

  574.                         <p>Undocumented</p>
    575. 

  575. 

  576.                       </div>
    577. 

  577.                       <div class="declaration">
    578. 

  578.                         <h4>Declaration</h4>
    579. 

  579.                         <div class="language">
    580. 

  580.                           <p class="aside-title">Swift</p>
    581. 

  581.                           <pre class="highlight"><code><span class="k">case</span> <span class="nf">multipartEncodingFailed</span><span class="p">(</span><span class="nv">reason</span><span class="p">:</span> <span class="kt"><a href="../Enums/AFError/MultipartEncodingFailureReason.html">MultipartEncodingFailureReason</a></span><span class="p">)</span></code></pre>
    582. 

  582. 

  583.                         </div>
    584. 

  584.                       </div>
    585. 

  585.                     </section>
    586. 

  586.                   </div>
    587. 

  587.                 </li>
    588. 

  588.               </ul>
    589. 

  589.             </div>
    590. 

  590.             <div class="task-group">
    591. 

  591.               <ul class="item-container">
    592. 

  592.                 <li class="item">
    593. 

  593.                   <div>
    594. 

  594.                     <code>
    595. 

  595.                     <a name="/s:9Alamofire7AFErrorO24responseValidationFailedA2C08ResponseD13FailureReasonO6reason_tcACmF"></a>
    596. 

  596.                     <a name="//apple_ref/swift/Element/responseValidationFailed" class="dashAnchor"></a>
    597. 

  597.                     <a class="token" href="#/s:9Alamofire7AFErrorO24responseValidationFailedA2C08ResponseD13FailureReasonO6reason_tcACmF">responseValidationFailed</a>
    598. 

  598.                     </code>
    599. 

  599.                   </div>
    600. 

  600.                   <div class="height-container">
    601. 

  601.                     <div class="pointer-container"></div>
    602. 

  602.                     <section class="section">
    603. 

  603.                       <div class="pointer"></div>
    604. 

  604.                       <div class="abstract">
    605. 

  605.                         <p>Undocumented</p>
    606. 

  606. 

  607.                       </div>
    608. 

  608.                       <div class="declaration">
    609. 

  609.                         <h4>Declaration</h4>
    610. 

  610.                         <div class="language">
    611. 

  611.                           <p class="aside-title">Swift</p>
    612. 

  612.                           <pre class="highlight"><code><span class="k">case</span> <span class="nf">responseValidationFailed</span><span class="p">(</span><span class="nv">reason</span><span class="p">:</span> <span class="kt"><a href="../Enums/AFError/ResponseValidationFailureReason.html">ResponseValidationFailureReason</a></span><span class="p">)</span></code></pre>
    613. 

  613. 

  614.                         </div>
    615. 

  615.                       </div>
    616. 

  616.                     </section>
    617. 

  617.                   </div>
    618. 

  618.                 </li>
    619. 

  619.               </ul>
    620. 

  620.             </div>
    621. 

  621.             <div class="task-group">
    622. 

  622.               <ul class="item-container">
    623. 

  623.                 <li class="item">
    624. 

  624.                   <div>
    625. 

  625.                     <code>
    626. 

  626.                     <a name="/s:9Alamofire7AFErrorO27responseSerializationFailedA2C08ResponseD13FailureReasonO6reason_tcACmF"></a>
    627. 

  627.                     <a name="//apple_ref/swift/Element/responseSerializationFailed" class="dashAnchor"></a>
    628. 

  628.                     <a class="token" href="#/s:9Alamofire7AFErrorO27responseSerializationFailedA2C08ResponseD13FailureReasonO6reason_tcACmF">responseSerializationFailed</a>
    629. 

  629.                     </code>
    630. 

  630.                   </div>
    631. 

  631.                   <div class="height-container">
    632. 

  632.                     <div class="pointer-container"></div>
    633. 

  633.                     <section class="section">
    634. 

  634.                       <div class="pointer"></div>
    635. 

  635.                       <div class="abstract">
    636. 

  636.                         <p>Undocumented</p>
    637. 

  637. 

  638.                       </div>
    639. 

  639.                       <div class="declaration">
    640. 

  640.                         <h4>Declaration</h4>
    641. 

  641.                         <div class="language">
    642. 

  642.                           <p class="aside-title">Swift</p>
    643. 

  643.                           <pre class="highlight"><code><span class="k">case</span> <span class="nf">responseSerializationFailed</span><span class="p">(</span><span class="nv">reason</span><span class="p">:</span> <span class="kt"><a href="../Enums/AFError/ResponseSerializationFailureReason.html">ResponseSerializationFailureReason</a></span><span class="p">)</span></code></pre>
    644. 

  644. 

  645.                         </div>
    646. 

  646.                       </div>
    647. 

  647.                     </section>
    648. 

  648.                   </div>
    649. 

  649.                 </li>
    650. 

  650.               </ul>
    651. 

  651.             </div>
    652. 

  652.             <div class="task-group">
    653. 

  653.               <ul class="item-container">
    654. 

  654.                 <li class="item">
    655. 

  655.                   <div>
    656. 

  656.                     <code>
    657. 

  657.                     <a name="/s:9Alamofire7AFErrorO17isInvalidURLErrorSbv"></a>
    658. 

  658.                     <a name="//apple_ref/swift/Property/isInvalidURLError" class="dashAnchor"></a>
    659. 

  659.                     <a class="token" href="#/s:9Alamofire7AFErrorO17isInvalidURLErrorSbv">isInvalidURLError</a>
    660. 

  660.                     </code>
    661. 

  661.                   </div>
    662. 

  662.                   <div class="height-container">
    663. 

  663.                     <div class="pointer-container"></div>
    664. 

  664.                     <section class="section">
    665. 

  665.                       <div class="pointer"></div>
    666. 

  666.                       <div class="abstract">
    667. 

  667.                         <p>Returns whether the AFError is an invalid URL error.</p>
    668. 

  668. 

  669.                       </div>
    670. 

  670.                       <div class="declaration">
    671. 

  671.                         <h4>Declaration</h4>
    672. 

  672.                         <div class="language">
    673. 

  673.                           <p class="aside-title">Swift</p>
    674. 

  674.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">isInvalidURLError</span><span class="p">:</span> <span class="kt">Bool</span></code></pre>
    675. 

  675. 

  676.                         </div>
    677. 

  677.                       </div>
    678. 

  678.                     </section>
    679. 

  679.                   </div>
    680. 

  680.                 </li>
    681. 

  681.                 <li class="item">
    682. 

  682.                   <div>
    683. 

  683.                     <code>
    684. 

  684.                     <a name="/s:9Alamofire7AFErrorO24isParameterEncodingErrorSbv"></a>
    685. 

  685.                     <a name="//apple_ref/swift/Property/isParameterEncodingError" class="dashAnchor"></a>
    686. 

  686.                     <a class="token" href="#/s:9Alamofire7AFErrorO24isParameterEncodingErrorSbv">isParameterEncodingError</a>
    687. 

  687.                     </code>
    688. 

  688.                   </div>
    689. 

  689.                   <div class="height-container">
    690. 

  690.                     <div class="pointer-container"></div>
    691. 

  691.                     <section class="section">
    692. 

  692.                       <div class="pointer"></div>
    693. 

  693.                       <div class="abstract">
    694. 

  694.                         <p>Returns whether the AFError is a parameter encoding error. When <code>true</code>, the <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO15underlyingErrors0D0_pSgv">underlyingError</a></code> property will
    695. 

  695. contain the associated value.</p>
    696. 

  696. 

  697.                       </div>
    698. 

  698.                       <div class="declaration">
    699. 

  699.                         <h4>Declaration</h4>
    700. 

  700.                         <div class="language">
    701. 

  701.                           <p class="aside-title">Swift</p>
    702. 

  702.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">isParameterEncodingError</span><span class="p">:</span> <span class="kt">Bool</span></code></pre>
    703. 

  703. 

  704.                         </div>
    705. 

  705.                       </div>
    706. 

  706.                     </section>
    707. 

  707.                   </div>
    708. 

  708.                 </li>
    709. 

  709.                 <li class="item">
    710. 

  710.                   <div>
    711. 

  711.                     <code>
    712. 

  712.                     <a name="/s:9Alamofire7AFErrorO24isMultipartEncodingErrorSbv"></a>
    713. 

  713.                     <a name="//apple_ref/swift/Property/isMultipartEncodingError" class="dashAnchor"></a>
    714. 

  714.                     <a class="token" href="#/s:9Alamofire7AFErrorO24isMultipartEncodingErrorSbv">isMultipartEncodingError</a>
    715. 

  715.                     </code>
    716. 

  716.                   </div>
    717. 

  717.                   <div class="height-container">
    718. 

  718.                     <div class="pointer-container"></div>
    719. 

  719.                     <section class="section">
    720. 

  720.                       <div class="pointer"></div>
    721. 

  721.                       <div class="abstract">
    722. 

  722.                         <p>Returns whether the AFError is a multipart encoding error. When <code>true</code>, the <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO3url10Foundation3URLVSgv">url</a></code> and <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO15underlyingErrors0D0_pSgv">underlyingError</a></code> properties
    723. 

  723. will contain the associated values.</p>
    724. 

  724. 

  725.                       </div>
    726. 

  726.                       <div class="declaration">
    727. 

  727.                         <h4>Declaration</h4>
    728. 

  728.                         <div class="language">
    729. 

  729.                           <p class="aside-title">Swift</p>
    730. 

  730.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">isMultipartEncodingError</span><span class="p">:</span> <span class="kt">Bool</span></code></pre>
    731. 

  731. 

  732.                         </div>
    733. 

  733.                       </div>
    734. 

  734.                     </section>
    735. 

  735.                   </div>
    736. 

  736.                 </li>
    737. 

  737.                 <li class="item">
    738. 

  738.                   <div>
    739. 

  739.                     <code>
    740. 

  740.                     <a name="/s:9Alamofire7AFErrorO25isResponseValidationErrorSbv"></a>
    741. 

  741.                     <a name="//apple_ref/swift/Property/isResponseValidationError" class="dashAnchor"></a>
    742. 

  742.                     <a class="token" href="#/s:9Alamofire7AFErrorO25isResponseValidationErrorSbv">isResponseValidationError</a>
    743. 

  743.                     </code>
    744. 

  744.                   </div>
    745. 

  745.                   <div class="height-container">
    746. 

  746.                     <div class="pointer-container"></div>
    747. 

  747.                     <section class="section">
    748. 

  748.                       <div class="pointer"></div>
    749. 

  749.                       <div class="abstract">
    750. 

  750.                         <p>Returns whether the <code>AFError</code> is a response validation error. When <code>true</code>, the <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO22acceptableContentTypesSaySSGSgv">acceptableContentTypes</a></code>,
    751. 

  751. <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO19responseContentTypeSSSgv">responseContentType</a></code>, and <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO12responseCodeSiSgv">responseCode</a></code> properties will contain the associated values.</p>
    752. 

  752. 

  753.                       </div>
    754. 

  754.                       <div class="declaration">
    755. 

  755.                         <h4>Declaration</h4>
    756. 

  756.                         <div class="language">
    757. 

  757.                           <p class="aside-title">Swift</p>
    758. 

  758.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">isResponseValidationError</span><span class="p">:</span> <span class="kt">Bool</span></code></pre>
    759. 

  759. 

  760.                         </div>
    761. 

  761.                       </div>
    762. 

  762.                     </section>
    763. 

  763.                   </div>
    764. 

  764.                 </li>
    765. 

  765.                 <li class="item">
    766. 

  766.                   <div>
    767. 

  767.                     <code>
    768. 

  768.                     <a name="/s:9Alamofire7AFErrorO28isResponseSerializationErrorSbv"></a>
    769. 

  769.                     <a name="//apple_ref/swift/Property/isResponseSerializationError" class="dashAnchor"></a>
    770. 

  770.                     <a class="token" href="#/s:9Alamofire7AFErrorO28isResponseSerializationErrorSbv">isResponseSerializationError</a>
    771. 

  771.                     </code>
    772. 

  772.                   </div>
    773. 

  773.                   <div class="height-container">
    774. 

  774.                     <div class="pointer-container"></div>
    775. 

  775.                     <section class="section">
    776. 

  776.                       <div class="pointer"></div>
    777. 

  777.                       <div class="abstract">
    778. 

  778.                         <p>Returns whether the <code>AFError</code> is a response serialization error. When <code>true</code>, the <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO20failedStringEncodingSS10FoundationE0E0VSgv">failedStringEncoding</a></code> and
    779. 

  779. <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO15underlyingErrors0D0_pSgv">underlyingError</a></code> properties will contain the associated values.</p>
    780. 

  780. 

  781.                       </div>
    782. 

  782.                       <div class="declaration">
    783. 

  783.                         <h4>Declaration</h4>
    784. 

  784.                         <div class="language">
    785. 

  785.                           <p class="aside-title">Swift</p>
    786. 

  786.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">isResponseSerializationError</span><span class="p">:</span> <span class="kt">Bool</span></code></pre>
    787. 

  787. 

  788.                         </div>
    789. 

  789.                       </div>
    790. 

  790.                     </section>
    791. 

  791.                   </div>
    792. 

  792.                 </li>
    793. 

  793.               </ul>
    794. 

  794.             </div>
    795. 

  795.             <div class="task-group">
    796. 

  796.               <ul class="item-container">
    797. 

  797.                 <li class="item">
    798. 

  798.                   <div>
    799. 

  799.                     <code>
    800. 

  800.                     <a name="/s:9Alamofire7AFErrorO14urlConvertibleAA14URLConvertible_pSgv"></a>
    801. 

  801.                     <a name="//apple_ref/swift/Property/urlConvertible" class="dashAnchor"></a>
    802. 

  802.                     <a class="token" href="#/s:9Alamofire7AFErrorO14urlConvertibleAA14URLConvertible_pSgv">urlConvertible</a>
    803. 

  803.                     </code>
    804. 

  804.                   </div>
    805. 

  805.                   <div class="height-container">
    806. 

  806.                     <div class="pointer-container"></div>
    807. 

  807.                     <section class="section">
    808. 

  808.                       <div class="pointer"></div>
    809. 

  809.                       <div class="abstract">
    810. 

  810.                         <p>The <code><a href="../Protocols/URLConvertible.html">URLConvertible</a></code> associated with the error.</p>
    811. 

  811. 

  812.                       </div>
    813. 

  813.                       <div class="declaration">
    814. 

  814.                         <h4>Declaration</h4>
    815. 

  815.                         <div class="language">
    816. 

  816.                           <p class="aside-title">Swift</p>
    817. 

  817.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">urlConvertible</span><span class="p">:</span> <span class="kt"><a href="../Protocols/URLConvertible.html">URLConvertible</a></span><span class="p">?</span></code></pre>
    818. 

  818. 

  819.                         </div>
    820. 

  820.                       </div>
    821. 

  821.                     </section>
    822. 

  822.                   </div>
    823. 

  823.                 </li>
    824. 

  824.                 <li class="item">
    825. 

  825.                   <div>
    826. 

  826.                     <code>
    827. 

  827.                     <a name="/s:9Alamofire7AFErrorO3url10Foundation3URLVSgv"></a>
    828. 

  828.                     <a name="//apple_ref/swift/Property/url" class="dashAnchor"></a>
    829. 

  829.                     <a class="token" href="#/s:9Alamofire7AFErrorO3url10Foundation3URLVSgv">url</a>
    830. 

  830.                     </code>
    831. 

  831.                   </div>
    832. 

  832.                   <div class="height-container">
    833. 

  833.                     <div class="pointer-container"></div>
    834. 

  834.                     <section class="section">
    835. 

  835.                       <div class="pointer"></div>
    836. 

  836.                       <div class="abstract">
    837. 

  837.                         <p>The <code>URL</code> associated with the error.</p>
    838. 

  838. 

  839.                       </div>
    840. 

  840.                       <div class="declaration">
    841. 

  841.                         <h4>Declaration</h4>
    842. 

  842.                         <div class="language">
    843. 

  843.                           <p class="aside-title">Swift</p>
    844. 

  844.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">url</span><span class="p">:</span> <span class="kt">URL</span><span class="p">?</span></code></pre>
    845. 

  845. 

  846.                         </div>
    847. 

  847.                       </div>
    848. 

  848.                     </section>
    849. 

  849.                   </div>
    850. 

  850.                 </li>
    851. 

  851.                 <li class="item">
    852. 

  852.                   <div>
    853. 

  853.                     <code>
    854. 

  854.                     <a name="/s:9Alamofire7AFErrorO15underlyingErrors0D0_pSgv"></a>
    855. 

  855.                     <a name="//apple_ref/swift/Property/underlyingError" class="dashAnchor"></a>
    856. 

  856.                     <a class="token" href="#/s:9Alamofire7AFErrorO15underlyingErrors0D0_pSgv">underlyingError</a>
    857. 

  857.                     </code>
    858. 

  858.                   </div>
    859. 

  859.                   <div class="height-container">
    860. 

  860.                     <div class="pointer-container"></div>
    861. 

  861.                     <section class="section">
    862. 

  862.                       <div class="pointer"></div>
    863. 

  863.                       <div class="abstract">
    864. 

  864.                         <p>The <code>Error</code> returned by a system framework associated with a <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO23parameterEncodingFailedA2C09ParameterD13FailureReasonO6reason_tcACmF">.parameterEncodingFailed</a></code>,
    865. 

  865. <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO23multipartEncodingFailedA2C09MultipartD13FailureReasonO6reason_tcACmF">.multipartEncodingFailed</a></code> or <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO27responseSerializationFailedA2C08ResponseD13FailureReasonO6reason_tcACmF">.responseSerializationFailed</a></code> error.</p>
    866. 

  866. 

  867.                       </div>
    868. 

  868.                       <div class="declaration">
    869. 

  869.                         <h4>Declaration</h4>
    870. 

  870.                         <div class="language">
    871. 

  871.                           <p class="aside-title">Swift</p>
    872. 

  872.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">underlyingError</span><span class="p">:</span> <span class="kt">Error</span><span class="p">?</span></code></pre>
    873. 

  873. 

  874.                         </div>
    875. 

  875.                       </div>
    876. 

  876.                     </section>
    877. 

  877.                   </div>
    878. 

  878.                 </li>
    879. 

  879.                 <li class="item">
    880. 

  880.                   <div>
    881. 

  881.                     <code>
    882. 

  882.                     <a name="/s:9Alamofire7AFErrorO22acceptableContentTypesSaySSGSgv"></a>
    883. 

  883.                     <a name="//apple_ref/swift/Property/acceptableContentTypes" class="dashAnchor"></a>
    884. 

  884.                     <a class="token" href="#/s:9Alamofire7AFErrorO22acceptableContentTypesSaySSGSgv">acceptableContentTypes</a>
    885. 

  885.                     </code>
    886. 

  886.                   </div>
    887. 

  887.                   <div class="height-container">
    888. 

  888.                     <div class="pointer-container"></div>
    889. 

  889.                     <section class="section">
    890. 

  890.                       <div class="pointer"></div>
    891. 

  891.                       <div class="abstract">
    892. 

  892.                         <p>The acceptable <code>Content-Type</code>s of a <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO24responseValidationFailedA2C08ResponseD13FailureReasonO6reason_tcACmF">.responseValidationFailed</a></code> error.</p>
    893. 

  893. 

  894.                       </div>
    895. 

  895.                       <div class="declaration">
    896. 

  896.                         <h4>Declaration</h4>
    897. 

  897.                         <div class="language">
    898. 

  898.                           <p class="aside-title">Swift</p>
    899. 

  899.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">acceptableContentTypes</span><span class="p">:</span> <span class="p">[</span><span class="kt">String</span><span class="p">]?</span></code></pre>
    900. 

  900. 

  901.                         </div>
    902. 

  902.                       </div>
    903. 

  903.                     </section>
    904. 

  904.                   </div>
    905. 

  905.                 </li>
    906. 

  906.                 <li class="item">
    907. 

  907.                   <div>
    908. 

  908.                     <code>
    909. 

  909.                     <a name="/s:9Alamofire7AFErrorO19responseContentTypeSSSgv"></a>
    910. 

  910.                     <a name="//apple_ref/swift/Property/responseContentType" class="dashAnchor"></a>
    911. 

  911.                     <a class="token" href="#/s:9Alamofire7AFErrorO19responseContentTypeSSSgv">responseContentType</a>
    912. 

  912.                     </code>
    913. 

  913.                   </div>
    914. 

  914.                   <div class="height-container">
    915. 

  915.                     <div class="pointer-container"></div>
    916. 

  916.                     <section class="section">
    917. 

  917.                       <div class="pointer"></div>
    918. 

  918.                       <div class="abstract">
    919. 

  919.                         <p>The response <code>Content-Type</code> of a <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO24responseValidationFailedA2C08ResponseD13FailureReasonO6reason_tcACmF">.responseValidationFailed</a></code> error.</p>
    920. 

  920. 

  921.                       </div>
    922. 

  922.                       <div class="declaration">
    923. 

  923.                         <h4>Declaration</h4>
    924. 

  924.                         <div class="language">
    925. 

  925.                           <p class="aside-title">Swift</p>
    926. 

  926.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">responseContentType</span><span class="p">:</span> <span class="kt">String</span><span class="p">?</span></code></pre>
    927. 

  927. 

  928.                         </div>
    929. 

  929.                       </div>
    930. 

  930.                     </section>
    931. 

  931.                   </div>
    932. 

  932.                 </li>
    933. 

  933.                 <li class="item">
    934. 

  934.                   <div>
    935. 

  935.                     <code>
    936. 

  936.                     <a name="/s:9Alamofire7AFErrorO12responseCodeSiSgv"></a>
    937. 

  937.                     <a name="//apple_ref/swift/Property/responseCode" class="dashAnchor"></a>
    938. 

  938.                     <a class="token" href="#/s:9Alamofire7AFErrorO12responseCodeSiSgv">responseCode</a>
    939. 

  939.                     </code>
    940. 

  940.                   </div>
    941. 

  941.                   <div class="height-container">
    942. 

  942.                     <div class="pointer-container"></div>
    943. 

  943.                     <section class="section">
    944. 

  944.                       <div class="pointer"></div>
    945. 

  945.                       <div class="abstract">
    946. 

  946.                         <p>The response code of a <code><a href="../Enums/AFError.html#/s:9Alamofire7AFErrorO24responseValidationFailedA2C08ResponseD13FailureReasonO6reason_tcACmF">.responseValidationFailed</a></code> error.</p>
    947. 

  947. 

  948.                       </div>
    949. 

  949.                       <div class="declaration">
    950. 

  950.                         <h4>Declaration</h4>
    951. 

  951.                         <div class="language">
    952. 

  952.                           <p class="aside-title">Swift</p>
    953. 

  953.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">responseCode</span><span class="p">:</span> <span class="kt">Int</span><span class="p">?</span></code></pre>
    954. 

  954. 

  955.                         </div>
    956. 

  956.                       </div>
    957. 

  957.                     </section>
    958. 

  958.                   </div>
    959. 

  959.                 </li>
    960. 

  960.                 <li class="item">
    961. 

  961.                   <div>
    962. 

  962.                     <code>
    963. 

  963.                     <a name="/s:9Alamofire7AFErrorO20failedStringEncodingSS10FoundationE0E0VSgv"></a>
    964. 

  964.                     <a name="//apple_ref/swift/Property/failedStringEncoding" class="dashAnchor"></a>
    965. 

  965.                     <a class="token" href="#/s:9Alamofire7AFErrorO20failedStringEncodingSS10FoundationE0E0VSgv">failedStringEncoding</a>
    966. 

  966.                     </code>
    967. 

  967.                   </div>
    968. 

  968.                   <div class="height-container">
    969. 

  969.                     <div class="pointer-container"></div>
    970. 

  970.                     <section class="section">
    971. 

  971.                       <div class="pointer"></div>
    972. 

  972.                       <div class="abstract">
    973. 

  973.                         <p>The <code>String.Encoding</code> associated with a failed <code>.stringResponse()</code> call.</p>
    974. 

  974. 

  975.                       </div>
    976. 

  976.                       <div class="declaration">
    977. 

  977.                         <h4>Declaration</h4>
    978. 

  978.                         <div class="language">
    979. 

  979.                           <p class="aside-title">Swift</p>
    980. 

  980.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">failedStringEncoding</span><span class="p">:</span> <span class="kt">String</span><span class="o">.</span><span class="kt">Encoding</span><span class="p">?</span></code></pre>
    981. 

  981. 

  982.                         </div>
    983. 

  983.                       </div>
    984. 

  984.                     </section>
    985. 

  985.                   </div>
    986. 

  986.                 </li>
    987. 

  987.               </ul>
    988. 

  988.             </div>
    989. 

  989.             <div class="task-group">
    990. 

  990.               <ul class="item-container">
    991. 

  991.                 <li class="item">
    992. 

  992.                   <div>
    993. 

  993.                     <code>
    994. 

  994.                     <a name="/s:10Foundation14LocalizedErrorP16errorDescriptionSSSgv"></a>
    995. 

  995.                     <a name="//apple_ref/swift/Property/errorDescription" class="dashAnchor"></a>
    996. 

  996.                     <a class="token" href="#/s:10Foundation14LocalizedErrorP16errorDescriptionSSSgv">errorDescription</a>
    997. 

  997.                     </code>
    998. 

  998.                   </div>
    999. 

  999.                   <div class="height-container">
    1000. 

  1000.                     <div class="pointer-container"></div>
    1001. 

  1001.                     <section class="section">
    1002. 

  1002.                       <div class="pointer"></div>
    1003. 

  1003.                       <div class="abstract">
    1004. 

  1004.                         
    1005. 

  1005.                       </div>
    1006. 

  1006.                       <div class="declaration">
    1007. 

  1007.                         <h4>Declaration</h4>
    1008. 

  1008.                         <div class="language">
    1009. 

  1009.                           <p class="aside-title">Swift</p>
    1010. 

  1010.                           <pre class="highlight"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">errorDescription</span><span class="p">:</span> <span class="kt">String</span><span class="p">?</span></code></pre>
    1011. 

  1011. 

  1012.                         </div>
    1013. 

  1013.                       </div>
    1014. 

  1014.                     </section>
    1015. 

  1015.                   </div>
    1016. 

  1016.                 </li>
    1017. 

  1017.               </ul>
    1018. 

  1018.             </div>
    1019. 

  1019.           </div>
    1020. 

  1020.         </section>
    1021. 

  1021. 

  1022.       </article>
    1023. 

  1023.     </div>
    1024. 

  1024.     <section class="footer">
    1025. 

  1025.       <p>&copy; 2017 <a class="link" href="http://alamofire.org/" target="_blank" rel="external">Alamofire Software Foundation</a>. All rights reserved. (Last updated: 2017-12-03)</p>
    1026. 

  1026.       <p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external">jazzy ♪♫ v0.9.0</a>, a <a class="link" href="http://realm.io" target="_blank" rel="external">Realm</a> project.</p>
    1027. 

  1027.     </section>
    1028. 

  1028.   </body>
    1029. 

  1029. </div>
    1030. 

  1030. </html>
    1031.