This call retrieves a specific evidence file for a payment dispute. The following three identifying parameters are needed in the call URI: payment_dispute_id: the identifier of the payment dispute. The identifier of each payment dispute is returned in the getPaymentDisputeSummaries response. evidence_id: the identifier of the evidential file set. The identifier of an evidential file set for a payment dispute is returned under the evidence array in the getPaymentDispute response. file_id: the identifier of an evidential file. This file must belong to the evidential file set identified through the evidence_id query parameter. The identifier of each evidential file is returned under the evidence.files array in the getPaymentDispute response. An actual binary file is returned if the call is successful. An error will occur if any of three identifiers are invalid.
