_credentials.php

<?php
return array(
    'username'      => '',
    'extension'     => '',
    'password'      => '',
    'appKey'        => '',
    'appSecret'     => '',
    'server'        => '',
    'portal'        => '',
    'smsNumber'     => '',
    'production'    => '',
    'redirect_url'  => '',
    'smsHours'      => "50",
    'smsMessage'    => "A courtesy reminder for ***NAME*** \r\nFor the appointment scheduled on: ***DATE*** At: ***STARTTIME*** Until: ***ENDTIME*** \r\nWith: ***PROVIDER*** Of: ***ORG***\r\nPlease call if unable to attend.",
);