Prevent InvoiceXpress document issuing on WooCommerce

invoicexpress_woocommerce_prevent_document_issuing.php

<?php
/* https://invoicewoo.com/ */
add_filter( 'invoicexpress_woocommerce_prevent_document_issuing', 'my_prevent_document_issuing', 10, 5 );
function my_prevent_document_issuing( $prevent_document_issuing, $order_object, $document_type, $data, $mode = 'manual' ) {
	if ( ! $prevent_document_issuing['prevent'] ) {
		//Check whatever you want, for example on the order, and prevent issuing
		if ( $order_object->get_total() > 100 ) {
			$prevent_document_issuing['prevent']       = true;
			$prevent_document_issuing['message']       = 'The order was not invoiced because the total is above 100';
			$prevent_document_issuing['supress_error'] = true; // To not get the "document not issued" email
		}
	}
	return $prevent_document_issuing;
}