Can I reference a task of another tree?

toon88

New member
I'm using the Behavior Tree Reference to call other Trees as ExteranBehaviors.
I can only refer to Variables, but can't I make it refer to Task?
I want Task A in the ExteranBehaviors Tree to refer to Task B in the main Tree.
 
This is not a feature that is built in. How would you visualize that reference?
 
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