class type ctrl_message_receiver =object..end
method name : stringThe name of this receiver
method receive_message : controller -> string -> string array -> unitThis function is called when a broadcast message is received. The first string is the name of the message, and the array are the arguments.
method receive_admin_message : controller -> string -> string array -> unitThis function is called when a broadcast admin message is received. The first string is the name of the message, and the array are the arguments.