---
title: "POST /v1/experiment/table/{experimentTableId}/column"
method: POST
path: "/v1/experiment/table/{experimentTableId}/column"
tags: ["Experiment"]
---

# POST /v1/experiment/table/{experimentTableId}/column

`POST /v1/experiment/table/{experimentTableId}/column`

## Path parameters

- `experimentTableId` string, required

## Request body

- object
  - `inputKeys` string[]
  - `promptVersionId` string
  - `hypothesisId` string
  - `columnType` string, required
  - `columnName` string, required

## Response `200`

Ok

- union
  - ResultSuccessNull
    - `data` null, nullable, required
    - `error` null, nullable, required
  - ResultErrorString
    - `data` null, nullable, required
    - `error` string, required

---

[API](https://skmtc.net/helicone/apis/helicone-api.md) · [All operations](https://skmtc.net/helicone/apis/helicone-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/helicone/helicone-api/revisions/b369e9e3e80c/schema)