Hi, A simple addition on CTrack and DescId as I was also faced to this a time ago. You can consult the @ferdinand's explanations and exemples on CTrack to the following post : https://developers.maxon.net/forum/topic/14315/solved-how-to-setup-a-ctrack-on-tag-plugin-ui-slider-with-extended-details/8 Cheers, Christophe