public function output() {
		global $current_section;

		// Define emails that can be customised here.
		$mailer          = WC()->mailer();
		$email_templates = $mailer->get_emails();

		if ( $current_section ) {
			foreach ( $email_templates as $email_key => $email ) {
				if ( strtolower( $email_key ) === $current_section ) {
					$email->admin_options();
					break;
				}
			}
		} else {
			$settings = $this->get_settings();
			WC_Admin_Settings::output_fields( $settings );
		}
	}