How to use YayMail Pro with Advanced Custom Fields
When you use YayMail Pro with Advanced Custom Fields plugin (by WP Engine), you can add a custom field into your order and display that information in emails through YayMail.
First, you need to create a Field Group, and note that, in Settings > Location Rules, select Post Type is equal to Order as shown in the image below:
After placing an order, you can see these fields displayed in the order:
To add the custom field information to YayMail's template, please select a real order, then select Shortcode > Order Meta and and use those shortcodes accordingly.
