Problem : Announcement banner for fields

Issue : 

If any user changes any field value, there is no banner or warning message for the user to not change the field value or they are about to change the field value 

This would create unnecessary clearing of data from the field

This is recorded in the issue history but it would be great if admins can implement such a banner for fields they want user to be alert before removing

Suggestion:

Good to have just a function where only admins can control this

We can use automation as well to alert users when field value is changed but this would eat up the limits if there are many fields