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

# PII Redaction & Sensitivity

> Control masking at assemble time and per-memory sensitivity.

## Policy knob

Set at request time:

```json theme={null}
{
  "policy": {"pii_redaction": "auto"}
}
```

## Per-memory sensitivity

Write memories with `sensitivity: pii` to force masking.

## Detecting redaction

Responses include a `redaction` block when masking is applied.