title: How to get advertising identifier on IOS
body: <p>I'm doing Work light Project, and i need a plugin to get <strong>advertising identifier</strong>, which value not change unless user hard reset them phone.<br>
  But because i'm never do IOS before, so i don't know how to get <strong>advertising identifier</strong> on IOS 6,7.<br>
  I was try <strong>identifierForVendor</strong>, but it change everytime i reinstall an application.<br>
   Any help for me ? (i do not need push this app to appstore).</p>