def post_user_bookmarks_unsave(self, id, **data):
        """
        POST /users/:id/bookmarks/unsave/
        Removes the specified bookmark from the event for the user. Returns ``{"deleted": true}``.
        A user is only authorized to unsave his/her own events.
        error NOT_AUTHORIZED
        You are not authorized to unsave an event for this user.
        error ARGUMENTS_ERROR
        There are errors with your arguments.
        """
        
        return self.post("/users/{0}/bookmarks/unsave/".format(id), data=data)