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 are received is specified via [VIClient initWithDelegateQueue:].
Methods
success:failure:
success:failure:(success: void ( ^ ) ( ObjectType result )
, failure: void ( ^ ) ( VIErrorEvent * errorEvent )
): instancetype
Creates completion handler.
Parameters
success:
void ( ^ ) ( ObjectType result )
Triggered when a method call with the specified completion handler is successfully completed. ObjectType depends on the called method, e.g., it is VIUserEvent if [VIMessenger getUserByIMId:completion:] is called
failure:
void ( ^ ) ( VIErrorEvent * errorEvent )
Triggered when an error occurred as the method call result with the specified completion handler
Returns
type:
instancetype