You can change the attribute to use as the display name in the end user's view of the record.
The header field attribute is the attribute whose value is used for the header of the Record Details table. In this cropped example, the default attribute for the header field is the P_WineID record specifier property, whose value for this record is 37553:
You use the Header Field dialog to change the header field attribute:
To change the header field attribute:
The header field of the Record Details table should now look like this example: