First, go to https://.sanity.studio, and open the developer console (usually by one of the keyboard shortcuts Command+Option+I
, F12
or Control+Shift+I
depending on what browser/platform you are using)
- Open the Sources tab
- Find the
app.bundle.js
file in the sidebar tree view. - Hit the pretty print source button
- Locate your schema types by searching (e.g. try searching for one of your custom types) it in the source view.