sendCustomMessage method
发送自定义消息
Implementation
Future<V2TimValueCallback<V2TimMessage>> sendCustomMessage({
@required String data,
@required String receiver,
String groupID,
int priority,
bool onlineUserOnly,
}) async {
return V2TimValueCallback<V2TimMessage>.fromJson(
_formatJson(
await _channel.invokeMethod(
"sendCustomMessage",
_buildParam(
{
"data": data,
"receiver": receiver,
"groupID": groupID,
"priority": priority,
"onlineUserOnly": onlineUserOnly,
},
),
),
),
);
}