---
title: "Simple Controller"
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/test/simplecontroller
markdown: https://docs.nodetool.ai/nodes/nodetool/test/simplecontroller.md
product: NodeTool
source: https://github.com/nodetool-ai/nodetool/blob/main/docs/nodes/nodetool/test/simplecontroller.md
---

# Simple Controller

**Type:** `nodetool.test.SimpleController`

**Namespace:** `nodetool.test`

## Description

Emits one RunEvent via __control__ handle

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| threshold | `float` |  | `0.8` |
| mode | `str` |  | `normal` |

## Outputs

_(none)_

## Related Nodes

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