If you enabled Stripe Radar features on your Stripe account, the results are automatically mapped to the Transaction records in Salesforce.
Enable in Salesforce
- Navigate to Setup | Custom Settings | 
Blackthorn | Payments Triggersand click the Manage button - Click Edit
 - Check the 
Enable Stripe Radarcheckbox and save 
Set the Transaction Fields on Layouts
- Navigate to Transaction layout edit page and add the Radar-related fields to the layouts, which are the following: 
Risk Level,Risk Score,Network Status,Seller Message