This extra is discontinued. It was originally built by Sterc and distributed by modmore as a Premium Extra, however in 2020 Sterc decided they can no longer offer the support required. It is no longer available from modmore, but may be available elsewhere.
Unfortunately modmore cannot provide standard support for this extra. You may request support from Sterc directly or consider booking Premium MODX Support if you need help with it.
It’s possible to create your custom slide types as well. This requires changing your template and adding the slide type in the Digital Signage dashboard.
Instructions on how to do that will follow here, soon.