It’s not a problem :) Here you go, this shows you how to specify a VLAN within the User Role
In the Instant UI
To configure a user role for VLAN derivation:
1. Click the Security at the top right corner of Instant main window.
2. Click the Roles tab. The Roles tab contents are displayed.
3. Under Roles, click New.
4. Enter a name for the new role and click OK.
5. Under the Access rules, click New.
6. Select the Rule type as VLAN assignment.
7. Enter the ID of the VLAN in the VLAN ID text box.
8. Click OK.
https://www.arubanetworks.com/techdocs/Instant_41_Mobile/Advanced/Content/UG_files/Roles_and_policies/ConfUserRoleforVLAN.htmSent from my iPhone