How to install the Carousel Widget?
Add a Custom element as shown in the screenshot below.

Click the Choose Source button as shown in the screenshot below then add the code below in the Server URL input box:

Add the code below in the Tag name input box as shown in the screenshot below:

Click the Set Attributes buttons as shown in the screenshot below

Enter id in the Attribute name input box.
Then enter the code below in the Value input box and click the Set button:

count refers to the total number of reviews that are simultaneously displayed at any given moment. count is set to 3 by default.

Lastly, click the Publish button.

Congratulations! Your review carousel should now be successfully integrated and visibly displayed on your website.