@jetnet the only hook that I’m aware off is when the getdom function gets executed the first time, then you could work with MODULE_DOM_CREATED or DOM_OBJECTS_CREATED, but for me it sounds like you are looking for something that gets triggered everytime the dom gets updated not just once.

https://github.com/MichMich/MagicMirror/tree/master/modules#notificationreceivednotification-payload-sender