# SubBehaviourTreeReference

Play external BehaviourTree as a child graph.

## Properties

Property Name | Description
--- | ---
External BT | Reference external BT
Argument List | Arguments of the graph Create from the + button by selecting a parameter or specifying a parameter name. Select the parameter and delete it by clicking the - button.
Use Pool | Flag to instantiate using ObjectPool.
Success Link | Transition on success Transition Method : OnFinishNodeGraph
Failure Link | Transition on failure Transition Method : OnFinishNodeGraph