...
The system will present the list of System Users that meet the search criteria ("Starts with" pattern for the System User ID field):
Select a System User and click on the System User ID link.
The application will present a new screen with the System User Details which include the associated Roles and the list of Interfaces that the user can use.
Modify any of the available values (the Provider URL and Requestor URL values need to end with the / character for the application to properly construct the URLs where to get/send the requests/responses).
...
Should you agree with the information presented, click on the Submit button.
Provided that the values are properly set, the system will store the updated System User in the database and present the relevant message.
...