---
title: "Update Pipeline Eval Definition"
method: PUT
path: "/api/v1/custom_pipelines/{processor_id}/eval_definition"
tags: ["Custom Pipelines (Deprecated)"]
---

# Update Pipeline Eval Definition

`PUT /api/v1/custom_pipelines/{processor_id}/eval_definition`

Update the eval_definition on a custom processor's active version.

## Path parameters

- `processor_id` string, required

## Cookies

- `wos-session` string
- `datalab_active_team` string

## Request body

- object

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/datalab/apis/datalab-api.md) · [All operations](https://skmtc.dev/datalab/apis/datalab-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/datalab/datalab-api/revisions/aa9f8ee18efb/schema)