Broadcast
The following actions are available in the MQTT group of the Actions dialog (screenshot below):
•(Un)Subscribe Broadcast Topic
The actions in this group are available for page events and control events. The fastest way to access the Actions dialog (screenshot above) is to right-click the page or control and select the page/control actions command. See also Page Events and Control Events.
See the section Broadcasts for an overview of how you can use broadcast messages in MobileTogether solutions.