How to fetch the name of a custom keybind?

[THEkatinamicrowave]

I have data/config/controls.xml and I have a custom keybind in it, but I don't know how to fetch the name. I know controls.getKeyName(funkin.backend.system.Controls.Control.KEY_HERE) gets a default CNE keybind name, but I don't know what it is for custom controls. pls help

[THEkatinamicrowave]

it's CoolUtil.keyToString(FlxG.save.data.P1_keyhere)