---
title: "List the dataset versions a milestone references"
method: GET
path: "/projects/{project_id}/versions/{version_id}/datasets"
tags: ["project-versions"]
---

# List the dataset versions a milestone references

`GET /projects/{project_id}/versions/{version_id}/datasets`

Return the dataset versions carried by a milestone.

Args:
    project_id: Project the milestone belongs to.
    version_id: Milestone to read.
    auth: Authenticated caller.

Returns:
    The milestone's dataset references, oldest attachment first.

## Path parameters

- `project_id` string, uuid, required
- `version_id` string, uuid, required

## Response `200`

Successful Response

- VersionDatasetListResponse — Every dataset reference carried by a milestone.
  - `datasets` VersionDatasetResponse[]
    - `dataset_id` string, required
    - `name` string, required
    - `version_number` string, required
    - `attached_by` string, nullable
    - `attached_at` string, date-time, required
    - `source_version_id` string, nullable — Milestone this reference was carried over from.

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/pioneer/apis/brain-api.md) · [All operations](https://skmtc.net/pioneer/apis/brain-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/pioneer/brain-api/revisions/b92f75fd3b61/schema)