VIMessengerCompletion
Interface that represents a completion handler that is used to get results of methods such as [VIConversation update:], [VIMessenger getUserByName:completion:], etc.
A queue on which all events will be received is specified via [VIClient initWithDelegateQueue:].
Methods
success:failure:
+ (instancetype
)success:(void ( ^ ) ( ObjectType result )
)success
failure:(void ( ^ ) ( VIErrorEvent * errorEvent )
)failure Creates completion handler.
Parameters
success:
void ( ^ ) ( ObjectType result )
Invoked when a method call with the specified completion handler is successfully completed. ObjectType depends on the called method, e.g., it will be VIUserEvent if [VIMessenger getUserByIMId:completion:] is called.
failure:
void ( ^ ) ( VIErrorEvent * errorEvent )
Invoked when an error occurred as the method call result with the specified completion handler.
Returns
type:
instancetype