declineInvitation method Null safety

Future<void> declineInvitation(
  1. {required String groupId,
  2. required String inviter,
  3. String? reason}
)

Declines a group invitation.

Param groupId The group ID.

Param inviter The username of the inviter.

Param reason The reason of declining.

Throws A description of the exception. See {@link EMError}.

Implementation

Future<void> declineInvitation({
  required String groupId,
  required String inviter,
  String? reason,
}) async {
  Map req = {'groupId': groupId, 'inviter': inviter};
  req.setValueWithOutNull('reason', reason);
  Map result = await _channel.invokeMethod(
      ChatMethodKeys.declineInvitationFromGroup, req);
  try {
    EMError.hasErrorFromResult(result);
  } on EMError catch (e) {
    throw e;
  }
}