invoke_callback() function

Invoke a user callback for a given state.

Calling this function is equivalent to calling gui.invoke_callback(state_id, callback, args, module_context).

Parameters:

Name	Type	Description	Default
gui	Gui	The current Gui instance.	required
state_id	str	The identifier of the state to use, as returned by get_state_id().	required
callback	Callable[[State, ...], None]	The user-defined function that is invoked. The first parameter of this function must be a State.	required
args	Optional[Sequence]	The remaining arguments, as a List or a Tuple.	None
module_context	Optional[str]	the name of the module that will be used.	None