---
title: "Extract Column"
description: "Local-first visual environment for building and running AI workflows. Build agents visually, deploy anywhere, privacy by design."
canonical: https://docs.nodetool.ai/nodes/nodetool/data/extractcolumn
markdown: https://docs.nodetool.ai/nodes/nodetool/data/extractcolumn.md
product: NodeTool
source: https://github.com/nodetool-ai/nodetool/blob/main/docs/nodes/nodetool/data/extractcolumn.md
---

# Extract Column

**Type:** `nodetool.data.ExtractColumn`

**Namespace:** `nodetool.data`

## Description

Convert dataframe column to list.
    dataframe, column, list

    Use cases:
    - Extract data for use in other processing steps
    - Prepare column data for plotting or analysis
    - Convert categorical data to list for encoding

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| dataframe | `dataframe` | The input dataframe. | `{"type":"dataframe","uri":"","asset_id":null,"d...` |
| column_name | `str` | The name of the column to be converted to a list. | `` |

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| output | `list[any]` |  |

## Related Nodes

Browse other nodes in the [nodetool.data](./) namespace.