How to get all groups of a scene at runtime?

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1

Godot Version

Godot 4.3

Question

How to get all groups of a scene at runtime?

2

There is no built-in function for this.
You could have one node be in all your groups and then
use get_all_groups() on that node.
Save them in a variable inside a static script or an autoload and then free that node.