> For the complete documentation index, see [llms.txt](https://gitbook.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook.com/docs/developers/gitbook-api/api-reference/collections.md).

# Collections

Collections let you bundle multiple spaces under a unified entity, making large-scale content easier to handle. You can sort content by subject, department, or any grouping logic.

## The Collection object

```json
{"openapi":"3.1.0","info":{"title":"GitBook API","version":"0.0.1-beta"},"components":{"schemas":{"Collection":{"type":"object","properties":{"object":{"type":"string","description":"Type of Object, always equals to \"collection\"","enum":["collection"]},"id":{"type":"string","description":"Unique identifier for the collection"},"title":{"$ref":"#/components/schemas/CollectionTitle"},"description":{"$ref":"#/components/schemas/CollectionDescription"},"organization":{"type":"string","description":"ID of the organization owning this collection"},"parent":{"type":"string","description":"ID of the parent collection, if any"},"defaultLevel":{"$ref":"#/components/schemas/DefaultLevel"},"urls":{"type":"object","description":"URLs associated with the object","properties":{"location":{"type":"string","description":"URL of the collection in the API","format":"uri"},"app":{"type":"string","description":"URL of the collection in the application","format":"uri"}},"required":["app","location"]},"permissions":{"type":"object","description":"The set of permissions for the collection","properties":{"view":{"type":"boolean","description":"Can the user view the collection."},"admin":{"type":"boolean","description":"Can the user edit the title/description."},"viewInviteLinks":{"type":"boolean","description":"Can the user view the invite links of the collection."},"create":{"type":"boolean","description":"Can the user create spaces/collections in this collection."}},"required":["view","admin","viewInviteLinks","create"]}},"required":["object","id","title","organization","urls","defaultLevel","permissions"]},"CollectionTitle":{"type":"string","description":"Title of the collection","maxLength":50},"CollectionDescription":{"type":"string","description":"Description of the collection","minLength":0,"maxLength":100},"DefaultLevel":{"description":"Default level for a piece of content","oneOf":[{"$ref":"#/components/schemas/MemberRoleOrGuest"},{"type":"string","enum":["inherit"]}]},"MemberRoleOrGuest":{"description":"The role of a member in an organization, null for guests","oneOf":[{"$ref":"#/components/schemas/MemberRole"},{"type":"null"}]},"MemberRole":{"type":"string","description":"\"The role of a member in an organization.\n\"admin\": Can administrate the content: create, delete spaces, ...\n\"create\": Can create content.\n\"review\": Can review content.\n\"edit\": Can edit the content (live or change requests).\n\"comment\": Can access the content and its discussions.\n\"read\": Can access the content, but cannot update it in any way.\n","enum":["admin","create","edit","review","comment","read"]}}}}
```


---

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