WC_Coupon::add_coupon_message() │ public │ WC 1.0

Converts one of the WC_Coupon message/error codes to a message string and. displays the message/error.

Method of the class: WC_Coupon{}

No Hooks.

Return

null. Nothing (null).

Usage

$WC_Coupon = new WC_Coupon();
$WC_Coupon->add_coupon_message( $msg_code );
$msg_code(int) (required)
Message/error code.

WC_Coupon::add_coupon_message() code WC 8.7.0

woocommerce/includes/class-wc-coupon.php 
public function add_coupon_message( $msg_code ) {
	$msg = $msg_code < 200 ? $this->get_coupon_error( $msg_code ) : $this->get_coupon_message( $msg_code );

	if ( ! $msg ) {
		return;
	}

	if ( $msg_code < 200 ) {
		wc_add_notice( $msg, 'error' );
	} else {
		wc_add_notice( $msg );
	}
}