Only allow fields for creation

A field in the schema area can be used in the creation screen, but cannot be used in the update screen (disabled in ui or hide in ui) should be added. There are many places where the feature can be created but cannot be changed is required. This can be done from the script field, but it would be more useful if we disabled the field in terms of user experience.

Just an extension to field rules?

For example…

and Extra Features