---
title: "Update transform"
method: PUT
path: "/pipeline/{pipeline_id}/transform/{pipeline_transform_id}"
tags: ["Pipeline Nodes"]
---

# Update transform

`PUT /pipeline/{pipeline_id}/transform/{pipeline_transform_id}`

## Request

- Base URL: `https://api.mezmo.com/v3`
- URL: `https://api.mezmo.com/v3/pipeline/{pipeline_id}/transform/{pipeline_transform_id}`
- Auth: API key in header `Authorization`
- TypeScript: <https://skmtc.dev/mezmo/apis/pipeline-api/docs/pipeline/:pipeline_id/transform/:pipeline_transform_id/put.ts> (a function with typed inputs; its response is checked against the schema)

Updates a transform of a pipeline

## Path parameters

- `pipeline_id` string, uuid, required
- `pipeline_transform_id` string, uuid, required

## Request body

- object
  - `title` string, nullable
  - `description` string, nullable
  - `type` 'filter' | 'sample' | 'drop-fields' | 'parse' | 'parse-sequentially' | 'route' | 'stringify' | 'compact-fields' | 'flatten-fields' | 'dedupe' | 'encrypt-fields' | 'decrypt-fields' | 'js-script' | 'unroll' | 'vrl' | 'reduce' | 'map-fields' | 'metrics-tag-cardinality-limit' | 'aggregate' | 'event-to-metric' | 'clustering' | 'redact' | 'throttle' | 'set-timestamp' | 'data-profiler' | 'replace' | 'trace-sampling', required
  - `deploy_type` 'saas' | 'local'
  - `user_config` object, required
  - `generation_id` integer, required
  - `inputs` string[], required

## Response `200`

Default Response

---

[API](https://skmtc.dev/mezmo/apis/pipeline-api.md) - [All operations](https://skmtc.dev/mezmo/apis/pipeline-api/llms.txt) - [OpenAPI document](https://skmtc.dev/mezmo/apis/pipeline-api/revisions/fb2535545d90?raw)