# Flexible Checkout Fields by WPDesk
When you use YayMail Pro with Flexible Checkout Fields by WPDesk, you can add a custom field into your Checkout page and show it in email.
**Step 1: Add Checkout Fields**
In Checkout page, it looks like the image below.
**Step 2: Add this information to email template in YayMail panel**
In YayMail email builder, choose **template** email that you want to add this information.
Choose a real order.
On the text editor, you will see a **Shortcode** dropdown > choose **Order Meta** and and use those shortcodes accordingly.
And don't forget to Save and enable the template.
After completing the steps above, each time this template is sent, it will include this information.
