---
title: subscriptionBillingCycleContractDraftConcatenate - GraphQL Admin
description: Concatenates a contract to a Subscription Draft.
api_version: 2026-10
source_url:
  html: >-
    https://shopify.dev/docs/api/admin-graphql/latest/mutations/subscriptionBillingCycleContractDraftConcatenate
  md: >-
    https://shopify.dev/docs/api/admin-graphql/latest/mutations/subscriptionBillingCycleContractDraftConcatenate.md
api_name: admin
api_type: graphql
type: mutation
---

# subscription​Billing​Cycle​Contract​Draft​Concatenate

mutation

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

Concatenates a contract to a Subscription Draft.

## Arguments

* concatenated​Billing​Cycle​Contracts

  [\[Subscription​Billing​Cycle​Input!\]!](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/SubscriptionBillingCycleInput)

  required

  An array of Subscription Contracts with their selected billing cycles to concatenate to the subscription draft.

* draft​Id

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

  required

  The gid of the Subscription Contract draft to update.

***

## Subscription​Billing​Cycle​Contract​Draft​Concatenate​Payload returns

* draft

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

  The Subscription Draft object.

* 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

* ### subscriptionBillingCycleContractDraftConcatenate reference