Manager and Power BI

When you got the access token the endpoint with full URL is given

Take a look at this post and the linked github repo Does the API supports custom fields? - #7 by BawarYassin

I tried adding the parameter ‘fields’ to the query, using the CustomFields2.Strings.* field name from batch update, but it doesn’t return anything. The schema for ‘fields’ doesn’t include custom fields as an accepted enum.