---
title: CartCompletionProcessing - Storefront API
description: A cart checkout completion that's still processing.
api_version: 2026-04
source_url:
  html: https://shopify.dev/docs/api/storefront/latest/objects/CartCompletionProcessing
  md: https://shopify.dev/docs/api/storefront/latest/objects/CartCompletionProcessing.md
---

# Cart​Completion​Processing

object

A cart checkout completion that's still processing.

## Fields

* id

  [String!](https://shopify.dev/docs/api/storefront/latest/scalars/String)

  non-null

  The ID of the cart completion attempt.

* poll​Delay

  [Int!](https://shopify.dev/docs/api/storefront/latest/scalars/Int)

  non-null

  The number of milliseconds to wait before polling again.

***

## Map

### Possible type in

* [Cart​Completion​Attempt​Result](https://shopify.dev/docs/api/storefront/latest/unions/CartCompletionAttemptResult)