WordPress at a glance
function is not described

Automattic\WooCommerce\Admin\Notes\MerchantEmailNotifications

MerchantEmailNotifications::send_merchant_notification() public WC 1.0

Send the notification to the merchant.

{} It's a method of the class: MerchantEmailNotifications{}

No Hooks.

Return

null. Nothing.

Usage

$result = MerchantEmailNotifications::send_merchant_notification( $note );
$note(object) (required)
The note to send.

Code of MerchantEmailNotifications::send_merchant_notification() WC 5.2.2

<?php
public static function send_merchant_notification( $note ) {
	\WC_Emails::instance();
	$users_emails = self::get_notification_email_addresses( $note );
	$email        = new NotificationEmail( $note );
	foreach ( $users_emails as $user_email ) {
		if ( is_email( $user_email ) ) {
			$email->trigger( $user_email );
		}
	}
}