BorderPropertyDescriptor.subscribe Method
Subscribe or unsubscribe an event handler for an event.
Parameters
- eventName
-
Type: String
Event name.
- callback
-
Type: Function
Event Handler.
- unsubscribe
-
Type: Boolean - May be null
(Optional) True to unsubscribe.
- once
-
Type: Boolean - May be null
(Optional) True to unsubscribe automatically after running once.