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

# Constant

**Type:** `nodetool.constant.Constant`

**Namespace:** `nodetool.constant`

## Description

Base class for fixed-value nodes.
    constant, parameter, default

    Use cases:
    - Provide static inputs to a workflow
    - Hold configuration values
    - Simplify testing with deterministic outputs

## Properties

_(none)_

## Outputs

_(none)_

## Related Nodes

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