Object describing actions connected to a service message.
messageActionEmpty#b6aef7b0 = MessageAction;
messageActionChatCreate#a6638b9a title:string users:Vector<int> = MessageAction;
messageActionChatEditTitle#b5a1ce5a title:string = MessageAction;
messageActionChatEditPhoto#7fcb13a8 photo:Photo = MessageAction;
messageActionChatDeletePhoto#95e3fbef = MessageAction;
messageActionChatAddUser#5e3cfc4b user_id:int = MessageAction;
messageActionChatDeleteUser#b2ae9b0c user_id:int = MessageAction;| messageActionEmpty | Empty constructor |
| messageActionChatCreate | Group created |
| messageActionGeoChatCreate | GeoChat created Constructor added in layer 4. |
| messageActionChatEditTitle | Group name changed |
| messageActionChatEditPhoto | Group profile photo changed |
| messageActionChatDeletePhoto | Group profile photo removed |
| messageActionChatAddUser | New member in the group |
| messageActionChatDeleteUser | A member left the group |
| messageActionGeoChatCheckin | Checkin in GeoPoint Constructor added in layer 4. |