In the External Reference profile, you may specify Properties Database as the External Reference source type, then the value is set in the profile itself.
Click the Add button or select a row and click on the Edit button to open the dialog to add or edit values.
Note!
The value will be saved to the database directly once you click on the Add or OK buttons on the External Reference Definition dialog.
String Value Type
When Value Type is set to String, the Value field shows a single field to enter the value.
List Value Type
When Value Type is set to List, click 
to add values to the list.
Map Value Type
When Value Type is set to Map, click to add Key and Value pairs.
