Arraycolumn relation within one table

[ThinhDinh]

This was solved here.

Solved: Dynamic product variants in choice component

Thanks to the brilliant @Jeff_Hager, we have now successfully implemented a dynamic product variant choice component. It was started from this discussion. Based on this discussion and what Jeff and me worked on in the Sheets, I created an app that you can copy to work on for your own apps. Basically you need to have: A column that contains all sizes, separated by a comma (or you can change the separator in the formula if you have an existing one that is not a comma) Determine the max n…