---
title: "Update Eval Dataset (partial)"
method: PATCH
path: "/console/v1/eval_datasets/{name}"
tags: ["Evals"]
---

# Update Eval Dataset (partial)

`PATCH /console/v1/eval_datasets/{name}`

## Request

- Base URL: `https://statsigapi.net`
- URL: `https://statsigapi.net/console/v1/eval_datasets/{name}`
- Auth: API key in header `STATSIG-API-KEY`

Add or remove rows, drop columns, or set the output fields. Every change bumps the dataset version.

## Path parameters

- `name` string, required

## Request body

- EvalDatasetUpdateDto
  - `rowsToAdd` object[]
    - `columns` object[], required: Cell values by column name. A column name not yet on the dataset is added to it.
      - `name` string, required
      - `value` string, required
    - `groups` string[]: Group names for the row, created when new.
    - `sourceTraceID` string: Trace the row was taken from, when it came from production.
    - `sourceSpanID` string
  - `rowIDsToRemove` string[]
  - `columnsToRemove` string[]: Column names to drop from every row.
  - `outputFields` string[]

## Response `200`

Update Eval Dataset

- object
  - `message` string, required: A simple string explaining the result of the operation.
  - `data` object, required: A single result.
    - `id` string, required
    - `name` string, required
    - `description` string, required
    - `isGlobal` boolean, required
    - `version` number, double, required: Counter bumped on every edit to the dataset rows or columns.
    - `columns` object[], required
      - `id` string, required
      - `name` string, required
    - `groups` object[], required
      - `id` string, required
      - `name` string, required
    - `outputFields` string[], required
    - `imageFields` string[], required
    - `createdTime` number, double, required
    - `lastModifiedTime` number, double, required

## Other responses

- `404`: Not Found. The requested resource could not be found.

## Changes

- **2026-10-21** `df19329dc8c0`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/statsig/apis/console-api/changes/console/v1/eval_datasets/:name/patch.md)

---

[API](https://skmtc.dev/statsig/apis/console-api.md) - [All operations](https://skmtc.dev/statsig/apis/console-api/llms.txt) - [OpenAPI document](https://skmtc.dev/statsig/apis/console-api/revisions/605b784f2a7d?raw)