In order to display the different review you have on Trustpilot, you have to go to the module Organization.
Step 1: Go to the Organization module
Step 2: Click on the entity of your choice
Step 3: In Social networks, you will find the Trustpilot field.
Step 4: Open a new tab, then go to your Trustpilot account
Step 5: Go to Trustpilot Business > Show notifications > Widget for emails > TrustBox Signature
Step 6: Copy your TrustBox Signature
Step 7: Paste your HTML code into the Trustpilot field in Signitic then save it.
Step 8: In the template editor, add a text block with the attribute ##{{entity_trustpilot}} in your template.