I think what he's trying to ask is how can you set a breakpoint when the content is all slammed together under actions->settings->source? Or at least that's what I'm asking It looks like the answer to our question is at https://experienceleaguecommunities.adobe.com/t5/Adobe-Experience-Platform-Launch/Option-to-add-sourceURL-to-Dev-Environment/idc-p/338097/highlight/true#M277