The index of the message to print.
The new action to set. Null if none.
The new action class to set. Null if none.
The target location. Null for previous map.
The target x position (relative or absolute).
The target x position (relative or absolute).
True if transition must be confirmed by the user, false if not.
True if positioning is relative, false if absolute.
Action for transitioning to a new location.