The user base of an Accountability Officer can be restricted based on standard or user attributes assigned to end users, as well as by membership in organization hierarchies. The user base is defined using dynamic queries that are performed when an alert is created and when it is published.

1. Log in to the BlackBerry AtHoc management system as an Organization Administrator, Enterprise Administrator, or System Administrator.
2. In the navigation bar, click Users > Users.
3. Optionally, click the name of an organization in the Organization column to view a user's organization hierarchy.
4. Click anywhere in the row containing the accountability officer name. The details of the accountability officer are displayed.
5. Click Edit Operator Permissions.
6. On the user details screen, scroll down to the User Base section and select Restricted.
7. Click the Modify link that appears next to the Restricted option.
8. On the Create Conditions screen, click Select Attribute and then select the first attribute you want to use as restriction criteria.
9. Click Select Operation and select the operation that you want to assign to the attribute.
   Note: The list of operations varies depending on the type of attribute selected.
10. In the next field that appears, enter or select a value for the attribute.
11. Optionally, click Add Condition and then repeat steps 7 through 9 for each additional attribute condition you want to add.
12. Optionally, if your organization is set up to display organizations, in the Organization Hierarchy section of the User Attribute list, select one or more options that the operator can select from as alert targets.
    Note: Users must belong to the selected organizational nodes and meet the other specified attribute conditions in order to be included in a user base.
13. When you are done creating restriction criteria, click Apply.
14. Optionally, on the Operator Permissions screen, to view the list of end users who meet the criteria click View users in the User Base section.
15. Click Save.