Notify listeners that event is occurring
H — Event source
Event source, specified as a handle array. All of the objects in
H must define the named event.
EventName — Name of event
character vector | string scalar
Name of event, specified as case-sensitive, quoted text that is defined by the class of
data — User-defined event data
Listener callbacks should not reuse the same event data object in subsequent calls to
notify. Always create a new event data object to pass to
To learn about attributes of methods, see Method Attributes.