Go to Content > SmartBlocks.

Select the Reviews tab, then select CREATE SMARTBLOCK.

Decide whether to include multiple or individual reviews, then hover over the template you want to use and select CREATE.

On the Layout tab, use the dropdown menus and text fields to enter fonts, colors and styles for the review elements.

Select the Properties tab and give your SmartBlock a name and tags.
You can add an optional redirect URL. If you’re displaying product reviews, you can set {{ review.product.u }} as the redirect URL to allow customers to click through to the site page of the product being reviewed.
You can also choose to add UTM tags for link tracking purposes.

Select the Data Sources tab and expand the Review Type drop-down menu, then select either Product or Service reviews.
​Available review types depend upon the review provider you use. Learn more in the section Review providers.
Enter the number of reviews you'd like to display.

Select the Options tab, and:

Select the Filtering tab. The options here allow you to finely control which reviews you display. You can filter by Site Brand, Currency, Language, Review Date, Rating, and Product ID.
​To allow for quick filtering, if you pass values for Product ID (prid), Site Brand (sbr), Currency (curr), or language (lang) in the query string and no filter is already set up, these values are used to select the correct product(s) to show reviews for.

When you’re happy with the setup of your SmartBlock, select PUBLISH.