There is a list in which every item has unique permissions. I used this very helpful topic, where it is described how to break inheritance and create unique permissions and after that to add permissions.

I did all fine and this works great, but I have to edit unique permissions, once some action happens in list. So I have to edit permissions of item again and to change from lets say Contribute to Read level to particular user.

Item has unique permissions and one user has contribute permissions, after one of column's value is changed, I have to remove his contribute permissions and give him only read or to remove his permissions at all.
I tried standard rest call


But all I get is that that user beside Contribute permissions get Read permissions. Contribute stay, they are not removed.

Any suggestion how can I achieve what I want?

1 Answer 1


Also call removeroleassignment:


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