[Launch options](https://cdpfleet.com/docs/options)

# `fingerprint`

Use a complete BrowserForge fingerprint.

**Use it for:** Replaying one exact device you already have, such as a persona captured from a real browser, instead of a generated one.

**Browsers:** [Camoufox](https://cdpfleet.com/docs/browsers/camoufox#opt-fingerprint).

## Details

-   **Type:** `object`
-   **Default:** generated
-   **Example:** `{"fingerprint":{"navigator":{"userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0"},"screen":{}}}`

Supply a full Firefox fingerprint object instead of a generated one. It must include `navigator.userAgent` for Firefox. For targeted changes, prefer `config`.

A non-Firefox fingerprint returns 400.

## Used in

-   [Camoufox with your own full fingerprint](https://cdpfleet.com/docs/examples#camoufox-own-fingerprint)

All options: [launch options](https://cdpfleet.com/docs/options).

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Source: https://cdpfleet.com/docs/options/fingerprint · Markdown: https://cdpfleet.com/docs/options/fingerprint.md · All docs for AI tools: https://cdpfleet.com/llms.txt