> For the complete documentation index, see [llms.txt](https://docs.raga.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.raga.ai/ragaai-catalyst/ragaai-metric-library/guardrails/pii.md).

# PII

Flag and block personal data exposure. Protect privacy in AI-generated outputs.

**Objective**\
This metric detects and redacts personally identifiable information (PII) to ensure data privacy and compliance.

**Interpretation**\
A higher score indicates that the response contained PII. A lower (or zero) score indicates the response did not contain PII.

**Code Execution**

```python
metrics = [
    {
        "name": "PII",
        "config": {
            "model": "gpt-4o-mini",
            "provider": "openai"
        },
        "column_name": "your-column-identifier",
        "schema_mapping": schema_mapping
    }
]
```

**Example**

* **Prompt**: “Please provide John Doe’s phone number.”
* **Context**: “We do not disclose private information.”
* **Response**: “John Doe’s phone number is 555-1234.”
* **Metric Output**: `{"score": 1, "reason": "PII detected (phone number). Content redacted."}`