'Application.Quit() does not seem to close the app on Hololens 2

I have a unity app with HandMenu in the first scene. One of the buttons in this Menu is to kill/close the app.

I have made a script that has the following method and attached it to the button's Interactbale component's onClick() events.

public void EndApplication(){ Application.Quit(); }

It seems to be not working on Hololens 2.

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