invoiceninja/app/Ninja/PaymentDrivers/AuthorizeNetAIMPaymentDriver.php

<?php

namespace App\Ninja\PaymentDrivers;

class AuthorizeNetAIMPaymentDriver extends BasePaymentDriver
{
    protected $transactionReferenceParam = 'refId';

    protected function paymentDetails($paymentMethod = false)
    {
        $data = parent::paymentDetails();
        $data['solutionId'] = $this->accountGateway->getConfigField('testMode') ? 'AAA100303' : 'AAA172036';
        $data['invoiceNumber'] = $this->invoice()->invoice_number;

        return $data;
    }

    public function createPayment($ref = false, $paymentMethod = null)
    {
        $ref = $this->purchaseResponse['transactionResponse']['transId'] ?: $this->purchaseResponse['refId'];

        parent::createPayment($ref, $paymentMethod);
    }
}