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Server: Apache/2.4.41 (Amazon) OpenSSL/1.0.2k-fips PHP/5.6.40
System: Linux ip-172-31-40-18 4.14.146-93.123.amzn1.x86_64 #1 SMP Tue Sep 24 00:45:23 UTC 2019 x86_64
User: apache (48)
PHP: 5.6.40
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File: /var/www/html/punjabcabs/Original_Backup/config/pushnotification.php
<?php

return [
  'gcm' => [
      'priority' => 'normal',
      'dry_run' => false,
      'apiKey' => 'My_ApiKey',
  ],
  'fcm' => [
        'priority' => 'high',
        'dry_run' => false,
        'apiKey' => env('ANDROID_PUSH_KEY', 'yourAPIKey'),
  ],
  'apn' => [
      'certificate' => __DIR__ . '/iosCertificates/apns-dev-cert.pem',
      'passPhrase' => '1234', //Optional
      'passFile' => __DIR__ . '/iosCertificates/yourKey.pem', //Optional
      'dry_run' => true
  ]
];