handleSetMessageMap method
      
dynamic
handleSetMessageMap(
    
    
- dynamic messageInfo
Implementation
handleSetMessageMap(messageInfo) {
  String id = (currentTimeMillis()).toString();
  messageInfo["id"] = id;
  Map<String, dynamic> resultMap = {"messageInfo": messageInfo, "id": id};
  messageIDMap[id] = resultMap;
  return resultMap;
}