Invite Action

invite.html

<input type='text' name='invite'>

invite.js

window.ptReady.push(function () {
    PT.referral.getUrl("<URL YOU WANT TO SHARE>", function (urls) {
        // urls is an object containing: longUrl and shortUrl
        $("input[name=invite_friends]").val(urls.shortUrl);
    },
    true); // ask for a shorten version of the url
});