onUserMessageSendResultOutsideRoom method
@detail callback
@author hanchenchen.c
@brief Callback for the result of sending a message to a user outside the room.
Triggered after you call sendUserMessageOutsideRoom{@link #RTCEngine#sendUserMessageOutsideRoom} or sendUserBinaryMessageOutsideRoom{@link #RTCEngine#sendUserBinaryMessageOutsideRoom}.
@param msgid The ID of the message.
All P2P and P2Server messages share a single ID sequence.
@param error Message sending result. See UserMessageSendResult{@link #UserMessageSendResult}.
Implementation
FutureOr<void> onUserMessageSendResultOutsideRoom(
long msgid, UserMessageSendResult error) async {}