I created a custom post named "showroom" and a group of custom fields linked with showroom.
As it was my first custom fields, I named the id fields with generic name like gallery for the gallery of photos.
Now, I have created other custom posts like "events" or "exhibtions". For them, I have created custom fields id name like "event_gallery" and "exhibition_gallery".
For my first custom fields, I would like to change the id from "gallery" to "showroom_gallery". How can I do that?
I tried to change the id name in the group but then the custom fields disappear in the custom post.
I think I have to update the database but I don't see how to do that.