There is a lot of buzz out there about Google’s new PPA (Pay-Per-Action) ads which are currently in beta

step by step set up a Google Pay Per Action  Campaign

going into the conversion tracking section and choosing Create New Action

Then you define your action and set a price for each completed action

Next you will be presented with your conversion code

Paste the conversion code on the thank you page of your site

type url of thank you page to verify the code installation

  If you set it up correctly Google will verify that tracking is installed

type details that Adsense publishers will see when selecting to run your offer

Create your adgroup

Set up your Geo-targeting and languages

write your ads

write a text link ad

Google shows you a summary of your approved ads

set the daily budget

done