Creating External Services for Web Addresses 
Use
You create an External Service for a Web address based on a master iView. For Web addresses you do not have to know which master iView is involved because the master iView is selected automatically.
Procedure
To create an External Service of type Web address:
The External Service is generated based on the master iView.
You now see the newly created External Service and can see which properties it has. If necessary, you can overwrite certain properties of the master iView.
Result
You created an External Service for a Web address that you can insert directly in a role. Read also
Changing External Services in the Role.