UpdateWillMessage Method
Update the will message stored in session state data by the server.
Object Oriented Interface
public function doUpdateWillMessage();
Procedural Interface
ipworksiot_mqttsn_do_updatewillmessage($res);
Remarks
When this message is called, the value of WillMessage will be used to update the will message stored by the server.
This method may be called when this value is empty, in this case the server value will be cleared.
See UpdateWillTopic for more on updating will settings.