> ## 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.

# Enable Pii Redaction • AI Agent SDK

> enable_pii_redaction: Register a BEFORE_LLM hook that scrubs secrets from every message.

# enable\_pii\_redaction

Function

> This function is defined in the [**redact**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/redact.md) module.

Register a BEFORE\_LLM hook that scrubs secrets from every message.

Idempotent — calling twice leaves exactly one hook registered.

## Signature

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

### Returns

**Returns** `str`

func:`disable_pii_redaction`).

## Uses

* `get_default_registry`
* `reg.register_function`

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/trace/redact.py#L195)
>
> `praisonaiagents/trace/redact.py` at line 195


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