I need something like this:
https://www.odoo.com/es_ES/forum/ayuda-1/question/how-to-inherit-the-pos-to-add-a-new-print-button-and-qweb-report-94645

Are there any demo modules how to create a new button in the POS?

I don't know how I can create a new button in the pos..

Thank you very much

Here a new button that print for example a new qweb.