Receipts can be customised by copying the receipt.php template in your theme directory.
The POS receipt print templates reside in the
includes/views/print/tmpl-receipt.phpfile of both the free and the Pro plugins. Receipt templates can be customised by creating a
woocommerce-pos/print/tmpl-receipt.phpfile in your theme directory. The code for both templates is included below.
WooCommerce POS uses the json output from the WC REST API to populate the order receipt template. The WC REST API docs show an example of the standard json output. Some additional properties have been added by WooCommerce POS using the