Invoices Add-on: Create a custom invoice template
To create your own invoice template, you will have to override the existing one from the plugin. You can do this by adding the following code to your theme’s functions.php file and specify the path to the new template:
Our suggestion is to use the existing template file as an example. You can copy it from /wp-content/plugins/wp-booking-system-premium-invoices/templates/invoice-template.php into your theme’s folder.
