[A] To edit a custom field, go to the Settings module and to the Custom Fields dashboard(1).
[B] Select the document whose custom field is to be edited(2). You can edit either the Primary Details field or the Item Details field. Click on the edit button next to the field that is to be edited(3).
[C} You can edit the name, description, default value, fetch from and list options (if the data type is select). However, data type cannot be edited.
[D} Once all changes are made, click on Save Field. The custom field has been successfully edited.
Keywords - Change custom field, amend custom field