Thank you for coming back with more information on your use case.
It sound like you want to
- show some fields in gallery cards
- show more fields in expanded view
- but not show all fields
One option is to create a new table specifically for showing this embedded gallery view. Link to the original records, and have lookups for everything else. Include lookups only for the fields that you want in the expanded view. Then created and share the embedded gallery view in this new table.
This method has two disadvantages:
- you will have to manually maintain links as you add/remove new records
- you will double the number of records (which might cause you to exceed your plan limits)
On the other hand, this method will do exactly what you want and is free (if you can stay within plan limits).
If this answers your problem, could you please mark this post as the solution?
If not, could you please give a bit more details on your use case and a screen capture?