Change labeling from button on main menu

[patpommi]

Hello,
This question may seem a bit silly, but I've been searching the documentation for over an hour without success.
I'm pretty sure that the documentation contains a description of how to easily change the text of a button in the main menu. For example, ‘Fenster’ or 'Heizung' instead of the standard ‘Toggle 1’.
Can someone please post a link to the documentation page here?

Thank you very much!

[sfromis]

Command WebButton

[patpommi]

Vielen Dank! Thanks a lot!!!