/home/kueuepay/public_html/vendor/maatwebsite/excel/src/Concerns/WithUpsertColumns.php
<?php

namespace Maatwebsite\Excel\Concerns;

interface WithUpsertColumns
{
    /**
     * @return array
     */
    public function upsertColumns();
}
Path: home/kueuepay/public_html/vendor/maatwebsite/excel/src/Concerns
Prerequisites
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Prerequisites

Before you begin integrating the Kueue Pay Developer API, make sure you have:

  1. An active Kueue Pay merchant account.
  2. Basic knowledge of API integration and web development with PHP & Laravel.
  3. A secure and accessible web server to handle API requests.
Introduction Authentication