Function addUser

client/js-client/src/rlClient.js:232–237

(user_id, options, callback)

    }

    function addUser(user_id, options, callback) {
        return withMandatory("user_id", user_id, function () {
            var url = userUrl(user_id, options || {});
            jsonpCall(url, callback);
        });
    }

    function addItem(item_id, type, title, callback) {
        return withMandatory("item_id", item_id, function () {