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Blackboard Follower

v4.0
Any object which wants to subscribe to the Blackboard, which allows that object to receive BlackboardEvent and BlackboardNote notifications, needs to implement IFollowBlackboard or (perhaps more easily) inherit from BlackboardFollower.

Blackboard Follower

Inheriting from BlackboardFollower will allow your object to automatically subscribe and unsubscribe from the blackboard, and provides methods you can override for handling notifications.
Check the GameData object in the Party Based RPG demo game to see how this is used.