1. Click -> Configuration -> Authority Editor.
2. From the drop-down menu, select Classgrade.
3. Click the icon next to the Classgrade you wish to assign security limits to.
4. Enter the security level you wish in the security field.
5. Click .
NOTE: Security levels are linked directly to Catalogue items. If you’d like to restrict certain users from viewing or borrowing specific items, you can set their patron security level lower than the security level assigned to those items.
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