Target behavior class containing the target behavior actions.
Gets whether the behavior is being targeted by the given user, or at all if no user id is given.
The id of the user to check whether they are targeting this behavior.
True if the user is targeting this behavior, false if not. In the case where no user id is given, this returns true if any user is targeting this behavior, false if none are.
Add a target handler to be called when the given target state is triggered.
The target state to fire the handler on.
The handler to call when the target state is triggered.
This target behavior.