Alerting on Screens to interrupt a playlist

[Schweminska]

You could use a Overlay Layout and push via XMR to the players?

Xibo Digital Signage

Emergency messaging buttons on a pc

Technically yes, assuming you’re using 1.8 series CMS and players. You could write a script that would use Xibo API, triggered by the press of a button. You would need to create a special layout for the occasion - even just with text widget and the message you want to show. The script would send a changeLayout call to ALL displays (thanks to XMR it should be pushed to the player immediately). Similar could be achieved with the overlayLayout action. You could also have a special layout with …