@tool extends Tree func _ready() -> void: var root: TreeItem = create_item() root.set_text(0, "Tree - Root") var child1: TreeItem = create_item(root) child1.set_text(0, "Tree - Child 1") var child2: TreeItem = create_item(root) child2.set_text(0, "Tree - Child 2") var subchild1: TreeItem = create_item(child1) subchild1.set_text(0, "Tree - Subchild 1")