fastspring.builder.promo(code)

<!--

    DEMO INFO

    promo() will apply the buyer supplied promotion code to FastSpring. If FastSpring evaluates the code as valid it will change the pricing information to reflect the discount

-->

<!-- Define Input field to accept coupon code: -->

<input type="text" name="Coupon" id="coupon-code">

​

<!--Define to grab coupon code and send to FastSpring -->

<button onclick="fastspring.builder.promo(document.getElementById('coupon-code').value);">Apply Coupon</button>

​

<!--

    DEMO EXTRA INFO

-->

<br /><br />

<div>

    Coupon code for demo: free

</div>

​

<!--

    DEMO EFFECTS

-->

<br /><br/>

<div>

    Order Total: <span data-fsc-order-total></span>

</div>

​

<!--

    DEMO SETUP

        - Initialize the Store Builder Library

        - Add item to the cart

-->

<script

    id="fsc-api"

    src="https://sbl.onfastspring.com/sbl/1.0.2/fastspring-builder.min.js"

    type="text/javascript"

    data-storefront="fastspringexamples.test.onfastspring.com/popup-fastspringexamples">

</script>

​

<script type="text/javascript">

    fastspring.builder.add('phot-io-main-app');

</script>