This activity deletes all roles assigned to a user on item, breaking list permission inheritance if necessary.

delete_all_user_permission_assignment_from_list_item_(free)_1
SharePoint Workflow Designer Phrase

Delete permission assignment in this item for this user.

Parameters

ParameterDescription
this itemList item
this userUser name. Ex: “user@domain”, “domain\user”. It allows multiple valuesseparated by a semicolon.