---
title: subscriptionDraftLineUpdate - GraphQL Admin
description: Updates a subscription line on a subscription draft.
api_version: 2026-10
source_url:
  html: >-
    https://shopify.dev/docs/api/admin-graphql/latest/mutations/subscriptionDraftLineUpdate
  md: >-
    https://shopify.dev/docs/api/admin-graphql/latest/mutations/subscriptionDraftLineUpdate.md
api_name: admin
api_type: graphql
type: mutation
---

# subscription​Draft​Line​Update

mutation

Requires `write_own_subscription_contracts` access scope. Also: The user must have manage\_orders\_information permission.

Deprecated.

Use the [SubscriptionContractCalculation API](https://shopify.dev/docs/apps/build/purchase-options/subscriptions/contracts/migrate-to-subscription-calculation-api) instead.

Updates a subscription line on a subscription draft.

## Arguments

* draft​Id

  [ID!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID)

  required

  The gid of the Subscription Contract draft to update a subscription line from.

* input

  [Subscription​Line​Update​Input!](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/SubscriptionLineUpdateInput)

  required

  The properties of the new Subscription Line.

* line​Id

  [ID!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID)

  required

  The gid of the Subscription Line to update.

***

## Subscription​Draft​Line​Update​Payload returns

* draft

  [Subscription​Draft](https://shopify.dev/docs/api/admin-graphql/latest/objects/SubscriptionDraft)

  The Subscription Contract draft object.

* line​Updated

  [Subscription​Line](https://shopify.dev/docs/api/admin-graphql/latest/objects/SubscriptionLine)

  The updated Subscription Line.

* user​Errors

  [\[Subscription​Draft​User​Error!\]!](https://shopify.dev/docs/api/admin-graphql/latest/objects/SubscriptionDraftUserError)

  non-null

  The list of errors that occurred from executing the mutation.

***

## Examples

* ### subscriptionDraftLineUpdate reference