> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# To Estop • AI Agent SDK

> to_estop: Build the pure core emergency-stop brake this config describes.

# to\_estop

Method

> This is a method of the [**EmergencyStopConfig**](https://praison.ai/docs/sdk/reference/praisonaiagents/classes/EmergencyStopConfig.md) class in the [**config**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/config.md) module.

Build the pure core emergency-stop brake this config describes.

`"off"` returns a :class:`NullEmergencyStop` (never engaged);
`"file"` returns a durable, fail-safe :class:`FileEmergencyStop`.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def to_estop() -> Any
```

### Returns

**Returns** `Any`

The result of the operation.

## Uses

* `FileEmergencyStop`
* `NullEmergencyStop`

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/gateway/config.py#L943)
>
> `praisonaiagents/gateway/config.py` at line 943


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