Here is a list of all documented class members with links to the class documentation for each member:

- u -

• UI_APPEARANCE_SELECTOR : JSBadgeView , JVFloatLabeledTextView , PFTextField
• uid : <FIRUserInfo>
• unlinkFromProvider:completion: : FIRUser
• unlinkUserInBackground: : PFFacebookUtils
• unlinkUserInBackground:block: : PFFacebookUtils
• unpin: : PFObject , PFObject(Synchronous)
• unpinAll: : PFObject , PFObject(Synchronous)
• unpinAll:error: : PFObject , PFObject(Synchronous)
• unpinAll:withName: : PFObject , PFObject(Synchronous)
• unpinAll:withName:error: : PFObject , PFObject(Synchronous)
• unpinAllInBackground: : PFObject
• unpinAllInBackground:block: : PFObject
• unpinAllInBackground:withName: : PFObject
• unpinAllInBackground:withName:block: : PFObject
• unpinAllObjects: : PFObject , PFObject(Synchronous)
• unpinAllObjectsInBackground : PFObject
• unpinAllObjectsInBackgroundWithBlock: : PFObject
• unpinAllObjectsInBackgroundWithName: : PFObject
• unpinAllObjectsInBackgroundWithName:block: : PFObject
• unpinAllObjectsWithName: : PFObject , PFObject(Synchronous)
• unpinAllObjectsWithName:error: : PFObject , PFObject(Synchronous)
• unpinInBackground : PFObject
• unpinInBackgroundWithBlock: : PFObject
• unpinInBackgroundWithName: : PFObject
• unpinInBackgroundWithName:block: : PFObject
• unpinWithName: : PFObject , PFObject(Synchronous)
• unpinWithName:error: : PFObject , PFObject(Synchronous)
• unsubscribeFromChannel:error: : PFPush(Synchronous)
• unsubscribeFromChannelInBackground:target:selector: : PFPush(Deprecated)
• updateChildValues: : FIRDatabaseReference
• updateChildValues:withCompletionBlock: : FIRDatabaseReference
• updated : FIRStorageMetadata
• updatedAt : PFObject
• updateEmail:completion: : FIRUser
• updateFromObject: : PFCollectionViewCell
• updateMessage: : ESChatView
• updateMetadata:completion: : FIRStorageReference
• updatePassword:completion: : FIRUser
• uploadSourceFilePath:fileName:mimeType:sessionToken:cancellationToken:progressBlock: : <PFFileUploadController>
• URL : BFAppLinkTarget , FIRDatabaseReference
• url : PFFile , TOWebViewController
• URLDecode: : FBSDKUtility
• URLEncode: : FBSDKUtility
• URLForKey: : <FBSDKShareOpenGraphValueContaining>
• urlRequest : TOWebViewController
• URLResponse : FBSDKGraphRequestConnection
• URLWithInboundURL:sourceApplication: : BFURL
• URLWithURL: : BFURL
• user : ESProfileView()
• user2 : ESChatView()
• userAddButton : ESChatView()
• userGenerated : FBSDKSharePhoto
• userId : ESProfileView()
• userID : FBSDKAccessToken , FBSDKProfile
• userIds : ESPeopleView()
• userIDs : FBSDKMessengerURLHandlerOpenFromComposerContext , FBSDKMessengerURLHandlerReplyContext
• userInfo : AFURLConnectionOperation
• username : SDWebImageDownloader
• usernameField : PFLogInView , PFSignUpView
• users : ESCreateGroupView() , ESGroupSettingsView() , ESSelectMultipleView() , ESSelectSingleView()
• users1 : ESPeopleView()
• users2 : ESPeopleView()