public function __construct() {
			$this->id             = 'customer_completed_order';
			$this->customer_email = true;
			$this->title          = __( 'Completed order', 'woocommerce' );
			$this->description    = __( 'Order complete emails are sent to customers when their orders are marked completed and usually indicate that their orders have been shipped.', 'woocommerce' );
			$this->template_html  = 'emails/customer-completed-order.php';
			$this->template_plain = 'emails/plain/customer-completed-order.php';
			$this->placeholders   = array(
				'{order_date}'   => '',
				'{order_number}' => '',
			);

			// Triggers for this email.
			add_action( 'woocommerce_order_status_completed_notification', array( $this, 'trigger' ), 10, 2 );

			// Call parent constructor.
			parent::__construct();
		}