invoiceninja/app/Http/Controllers/OpenAPI/InvoicePaymentableSchema.php

<?php
/**
 * @OA\Schema(
 *   schema="InvoicePaymentable",
 *   type="object",
 *       @OA\Property(property="invoice_id", type="string", example="Opnel5aKBz", description="______"),
 *       @OA\Property(property="amount", type="string", example="2", description="______"),
 *
 * )
 */