Can anyone confirm if you've encountered the following scenario?

I assigned a custom permission on a list item via REST API, using the workflow activity designer in VS 2013. I successfully broke and assigned custom permission supposedly for 1 user only, using the REST call.


But when I checked the list item it also lists the peers of that account. Is there a way to not include the peers when assigning the permission?


  • What do you mean by Peers? – Vamsi K K Sep 11 '15 at 0:50
  • I think the peers are related to having the same Manager? I was checking the json and I saw that peers with the same manager are there as well. – adzydoodles Sep 11 '15 at 0:53
  • I am not understanding how the Peers concept affects the permissions on a list item! Peers can belong to different groups and thus can have different permissions on the same list item! Please see my answer if that helps! – Vamsi K K Sep 11 '15 at 0:57

If you are thinking of setting unique permissions on a list item so that it is accessible to only one user, you need to first break the inheritance

/_api/web/lists/getByTitle('Test')/breakroleinheritance(copyRoleAssignments=**false**, clearSubscopes=**true**)

Now, you can add role assignment the way you did it.

  • I already broke inheritance then added the permission. – adzydoodles Sep 11 '15 at 0:57
  • Ok and you made sure that you are not copying role assignments when you are breaking inheritance? I would help if you update the question to add this details also! – Vamsi K K Sep 11 '15 at 0:59
  • Yes,I used <siteurl>_api/web/lists/getByTitle('Event Lines')/breakroleinheritance(copyRoleAssignments=false, clearSubscopes=true) – adzydoodles Sep 11 '15 at 1:06
  • With regards to the peers concept, I'm actually granting permission to the manager of the user I'm adding. When I tried to grant permission to a user with no peers there were no additional users added to the item level permission. – adzydoodles Sep 11 '15 at 1:12

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