How to use compendium in the sandbox with a sheet.json modification

Hello, there. I would like to know how to use compendium as a sheet.json modification in a custom sheet sandbox. I selected In-Game Compendium as 'None/Determined by sheet.json (Default) and wrote this in sheet.json : { "authors": "John", "compendium": "coc", "instructions": "Hello World" } I referenced this page:&nbsp; <a href="https://wiki.roll20.net/Sheet.json" rel="nofollow">https://wiki.roll20.net/Sheet.json</a> Authors and instructions applied correctly, but when I launch the game, I don't see the compendium tab. I know 'In-Game Compendium' and select 'Call of Cthulhu' and the compendium is visible, but I would like to put the setting in sheet.json. I tried it with "compendium" : "dnd5e", just in case the compendium name is not "coc", but it still doesn't work. (I checked compendium name of dnd5e here : <a href="https://github.com/Roll20/roll20-character-sheets/blob/master/DD5thEditionLegacy/sheet.json" rel="nofollow">https://github.com/Roll20/roll20-character-sheets/blob/master/DD5thEditionLegacy/sheet.json</a> ) Any help? Thanks.

Unfortunately, the compendium setting of the sheet.json does not affect the sheet sandbox. It's a long standing bug with the sheet sandbox. You need to manually select the compendium in the sandbox settings. If you are wanting to make sure that you have the correct short code for the compendium you want to work with in your sheet.json so that it works correctly when you submit to the Roll20 repo, just compare it to the url of any page in that compendium. The shortcode will be the alphanumeric sequence after roll20.net/compendium. For example, for D&amp;D 5e it looks like:

Oh, I see. Thanks for the answer.