---
title: CollectionCreateSubCollectionsSourceInput - GraphQL Admin
description: |-
  The input fields required to create a sub-collection source — a source whose
  membership comes from one or more referenced collections.
api_version: 2026-10
source_url:
  html: >-
    https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CollectionCreateSubCollectionsSourceInput
  md: >-
    https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CollectionCreateSubCollectionsSourceInput.md
api_name: admin
api_type: graphql
type: input-object
---

# Collection​Create​Sub​Collections​Source​Input

input\_object

The input fields required to create a sub-collection source — a source whose membership comes from one or more referenced collections.

## Fields

* collection​Ids

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

  non-null

  The global IDs of the sub-collections whose products supply this source.

* description

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

  An optional description of the source.

* title

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

  non-null

  The title of the source.

***

## Input objects using this input

* [Collection​Create​Source​Target​Input.subCollections](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CollectionCreateSourceTargetInput#fields-subCollections)

  INPUT OBJECT

  The input fields for adding a source to a collection — provide exactly one field that represents the type of source to create.

***

## Map

### Input objects using this input

* [Collection​Create​Source​Target​Input.subCollections](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CollectionCreateSourceTargetInput#fields-subCollections)