Thanks to Rubén's comment, I looked at the execution transcript, and found this error: [19-11-28 15:11:32:379 PST] Starting execution [19-11-28 15:11:32:498 PST] SlidesApp.getActivePresentation() [0.114 seconds] [19-11-28 15:11:32:570 PST] Execution failed: Authorization is required to perform that action. (line 6, file "progress") [0 seconds total runtime] ...


Publish a Google Add-on to the G Suite Marketplace Basic Concepts: You must use the G Suite Marketplace SDK in order to get to the “Publish” section for publishing an add-on, and you must first open the Google Cloud Platform for your specific project (apps script file) The G Suite Marketplace SDK must be enabled in the Google Cloud Platform The two ...


A Google Apps Script web app will have it's own URL to be used to make HTTP GET/POST requests. A G Suite Add-on adds a menu to a G Suite app (Google Docs, Google Forms, Google Sheets, Google Slides) A Google Apps Script project could be bounded or standalone and could be used to post a G Suite add-on, a web app or both.

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