Please note: This feature is available only on Premium Versions.
The first thing you need to do is creating a custom field, this can be done on the Fields tab.
![](http://doc.bookingultrapro.com/wp-content/uploads/2021/12/create-custom-field-e1640593733815-1024x460.png)
Next, you have to click on the Notifications Tab, then scroll down to find the template you would like to incorporate the custom field.
![](http://doc.bookingultrapro.com/wp-content/uploads/2021/12/booktemplate9-1024x452.png)
Please note: You have to use this format [BUP_CUSTOM_custom_meta_name]
If don’t make it this way the custom field won’t be included in the email template.