Assemble a condition in an OIC integration

We have an endpoint that we use to check if the customer's CPF is active in our company or not, thus generating a discount in our store, but if the customer's CPF has no record in our database, this endpoint returns with a 400 error response (as in the picture). I want to build a condition in the integration that depending on the response I receive, it performs a different update, but with these CPFs that have no record in our database, and returns the 400 error, this is generating an error in my condition. How do I define the