Apply Discount without a Coupon Code for Car Hire

discount-without-coupon.php

<?php
//* Do NOT include the opening php tag, only copy the code below to custom_functions.php file

add_filter( 'bizz_coupon_filter', 'custom_coupon_filter' );
function custom_coupon_filter( $coupon_post ) {
	
	$coupon_post['type'] = 'percentage'; // 'percentage', 'fixed_unit', 'fixed_block'
	$coupon_post['amount'] = '10';
	$coupon_post['car'] = array( 'all' ); // accepts array of vehicle ID's or 'all' for all vehicles
	$coupon_post['extra'] = array( 'all' ); // accepts array of extra ID's or 'all' for all extras
			
	return $coupon_post;
}