"This is the way... thank you so much. I mostly start projects by sucking in PowerPoints so I've not paid much attention to how those slid..."

"That might well be the answer! Especially if I can set and adjust variables on the master layers. Thanks a lot you might just have solved..."

"I found a great tutorial for adding list items via JavaScript here. https://www.lighttouchlearning.com/storyline-concatent..."