TrustistoDevelopers
Save Client
Getting started
IntroductionInitialization
On page load
HomepageCategorySearchSearch & CategoryProduct PageBasket PageThank You PageAjax Page Reload
On user action
Save ClientAdd To BasketRemove From BasketSave Basket

Save Client

HTML
<script>
  SP.go('saveClient', {
    firstname: "CUSTOMER-NAME",
    city: "CUSTOMER-CITY",
    email: "CUSTOMER-EMAIL"
  })
</script>

You save information about client, so they can be used later ex. when purchasing.