How to select computers are visible to a user

I am trying to make users that can only access computers with a given tag

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Apparently it is possible according to:

https://wiki.ocsinventory-ng.org/04.Management-console-and-its-advanced-features/Managing-users-profiles-of-the-web-interface/

under heading

Management of the profile restriction

"Restrictions on computers : Define if the visibility of computers is restricted only to specific TAG(s) assigned to users. When this restriction is set, you have to specify, for each user you want to restrict her accesses, the set of TAGs defining which computers you allow her to see. You can use ? or * to match multiple TAGs at once. If you don't specify any TAG, the user will be allowed to see all computers."

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But I cannot seem to find where to define the TAGs that the users can access. Neither the profile or user information page seem to have such?