woocommerce_coupon_validate_maximum_amount │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_coupon_validate_maximum_amount', 'wp_kama_woocommerce_coupon_validate_maximum_amount_filter', 10, 2 );

/**
 * Function for `woocommerce_coupon_validate_maximum_amount` filter-hook.
 * 
 * @param  $subtotal 
 * @param  $coupon   
 *
 * @return 
 */
function wp_kama_woocommerce_coupon_validate_maximum_amount_filter( $subtotal, $coupon ){

	// filter...
	return $subtotal;
}

$subtotal

-

$coupon

-

Where the hook is called

if ( $coupon->get_maximum_amount() > 0 && apply_filters( 'woocommerce_coupon_validate_maximum_amount', $coupon->get_maximum_amount() < $subtotal, $coupon ) ) {

Where the hook is used in WooCommerce