A state node for [LimboHSM] that hosts a [BehaviorTree]. BTState is a [LimboState] node that manages a [BehaviorTree] to provide behavior logic for the state. It instantiates and runs the [BehaviorTree] resource, dispatching a state machine event upon [code]SUCCESS[/code] or [code]FAILURE[/code]. Event names are customizable through [member success_event] and [member failure_event]. For further details on state machine events, see [method LimboState.dispatch]. Returns the behavior tree instance. Sets the [Node] that will be used as the scene root for the newly instantiated behavior tree. Should be called before the state machine is initialized. This is typically useful when creating [BTState] nodes dynamically from code. A [BehaviorTree] resource that defines state behavior. HSM event that will be dispatched when the behavior tree results in [code]FAILURE[/code]. See [method LimboState.dispatch]. If [code]true[/code], adds a performance monitor to "Debugger->Monitors" for each instance of this [BTState] node. HSM event that will be dispatched when the behavior tree results in [code]SUCCESS[/code]. See [method LimboState.dispatch].