---
title: "Timeline"
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/constant/timeline
markdown: https://docs.nodetool.ai/nodes/nodetool/constant/timeline.md
product: NodeTool
source: https://github.com/nodetool-ai/nodetool/blob/main/docs/nodes/nodetool/constant/timeline.md
---

# Timeline

**Type:** `nodetool.constant.Timeline`

**Namespace:** `nodetool.constant`

## Description

References a timeline sequence in the workflow.
    timeline, video editor, sequence, clips, tracks

    Use cases:
    - Pass a timeline between nodes for video rendering or editing
    - Open and edit the referenced timeline in the timeline editor
    - Provide a fixed timeline input for downstream nodes

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| value | `timeline` |  | `{"type":"timeline","id":null,"data":null}` |

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| output | `timeline` |  |

## Related Nodes

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