protected function delivery_after( $delivery_id, $req_args, $res, $duration ) {

		// Parse response.
		if ( is_wp_error( $res ) ) {
			$res_code    = $res->get_error_code();
			$res_message = $res->get_error_message();
			$res_headers = array();
			$res_body    = '';
		} else {
			$res_code    = wp_remote_retrieve_response_code( $res );
			$res_message = wp_remote_retrieve_response_message( $res );
			$res_headers = wp_remote_retrieve_headers( $res );
			$res_body    = wp_remote_retrieve_body( $res );
		}

		if ( defined( 'LLMS_REST_WEBHOOK_DELIVERY_LOGGING' ) && LLMS_REST_WEBHOOK_DELIVERY_LOGGING ) {

			$message = array(
				'Delivery ID' => $delivery_id,
				'Date'        => date_i18n( __( 'M j, Y @ H:i', 'lifterlms' ), strtotime( 'now' ), true ),
				'URL'         => $this->get( 'delivery_url' ),
				'Duration'    => $duration,
				'Request'     => array(
					'Method'  => $req_args['method'],
					'Headers' => array_merge(
						array(
							'User-Agent' => $req_args['user-agent'],
						),
						$req_args['headers']
					),
				),
				'Body'        => wp_slash( $req_args['body'] ),
				'Response'    => array(
					'Code'    => $res_code,
					'Message' => $res_message,
					'Headers' => $res_headers,
					'Body'    => $res_body,
				),
			);

			if ( ! defined( 'WP_DEBUG' ) || ! WP_DEBUG ) {
				$message['Webhook Delivery']['Body']             = 'Webhook body is not logged unless WP_DEBUG mode is turned on.';
				$message['Webhook Delivery']['Response']['Body'] = 'Webhook body is not logged unless WP_DEBUG mode is turned on.';
			}

			llms_log( $message, sprintf( 'webhook-%d', $this->get( 'id' ) ) );

		}

		// Check for a success, which is a 2xx, 301 or 302 Response Code.
		if ( absint( $res_code ) >= 200 && absint( $res_code ) <= 302 ) {
			$this->set( 'failure_count', 0 );
		} else {
			$this->set_delivery_failure();
		}

	}