Description of the illustration edit_id_field.png

This is a screen capture of the Fields tab. In this illustration, the id field is selected and the edit dialog is open for it. The dialog is toggled open and closed using the Edit icon, and contains the following fields: Name (required), Description, Type (required), Reference Resources, and Constraints, which includes the Primary Key option. For the MCS-generated id field, only the Name and Description fields can be edited. The dialog also includes a trash can icon that lets you delete a field. It too is inactive for the id field.