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

# Bool

**Type:** `nodetool.constant.Bool`

**Namespace:** `nodetool.constant`

## Description

Represents a boolean constant in the workflow.
    boolean, logic, flag

    Use cases:
    - Control flow decisions in conditional nodes
    - Toggle features or behaviors in the workflow
    - Set default boolean values for configuration

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| value | `bool` |  | `false` |

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| output | `bool` |  |

## Related Nodes

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