unsubscribeSendMessageFailed method

void unsubscribeSendMessageFailed(
  1. dynamic callback(
    1. Message,
    2. Exception
    )
)

Unsubscribes the callback from the SendMessageFailed-Event.

The callback needs to be exactly the same as the one used while subscribing.

Implementation

void unsubscribeSendMessageFailed(Function(Message, Exception) callback) {
  _callbacksSendMessageFailed.remove(callback);
}