update

scripts/behaviors/actions/grab_action.gd

@@ -0,0 +1,11 @@
+class_name GrabAction extends ActionLeaf
+
+func tick(actor: Node, blackboard: Blackboard) -> int:
+	var grab_position = blackboard.get_value("grab_position")
+	if not grab_position:
+		return FAILURE
+		
+	if actor.grab_item(grab_position):
+		return SUCCESS
+		
+	return FAILURE