Use the following procedure to delete an Internal Variable.
An Internal Variable Type cannot be deleted if any Rule Templates refer to the Internal Variable.
Select Diameter > Mediation > Internal Variable.
The Diameter > Mediation > Internal Variable page appears.
Select the Name of the Internal Variable to be deleted.
Click the Delete button.
A popup window appears to confirm the delete.
Click OK.
OK delete the Internal Variable and return to the Diameter > Mediation > Internal Variable page.
Cancel to cancel the delete function and return to the Diameter > Mediation > Internal Variable page.
When OK is clicked and any configured Rule Templates refer to the Internal Variable that is being deleted, the Internal Variable is not deleted and an error message appears.