isChargebackAccount is true for the chargeback account.
A chargeback is its own transaction with type: chargeback. The original payment’s status_v2 becomes CHARGED_BACK.
Won chargebacks
When the firm wins a chargeback, Confido creates a new transaction withtype: chargeback_reversal. That transaction credits the chargeback bank account. The chargeback transaction’s status_v2 becomes RETURNED. The original payment stays CHARGED_BACK.
Query transactions and look for type: chargeback_reversal. That transaction is the won chargeback.