Scene Unique Nodes
Introduction
There are times in a project where a node needs to be called from a script. However, its position in the tree might change over time as adjustments are made to a scene, such as a button in a UI scene. In situations like this, a node can be turned into a scene unique node to avoid having to update a script every time its path is changed.
Creating and using them
Access as Scene Unique Name in the context menu.
%) next to its name in the scene tree:
% symbol and the node’s name in the path for get_node(). For example:
GDScript
get_node("%RedButton").text = "Hello"
