Setup User Permissions
From your libraries dashboard, click on the gear icon on the left hand side of the screen.
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After clicking on the gear icon, find and click on permissions.
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Once you are in the permissions area, use the dropdown menu to pick which user group you would like to edit permissions for. You will be shown a list of features and accessibility for each user type/group that you can enable/disable access to.
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Once you are finished, be sure to hit the save button after you have made your changes.
setup|permissions