---
title: cf.llm.prompt.detected · Cloudflare Ruleset Engine docs
description: Indicates whether Cloudflare detected an LLM prompt in the incoming request.
source_url:
  html: https://vale-updates2.preview.developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.llm.prompt.detected/index.md
  md: https://vale-updates2.preview.developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.llm.prompt.detected/
---

# cf.llm.prompt.detected

`cf.llm.prompt.detected` Boolean

Indicates whether Cloudflare detected an LLM prompt in the incoming request.

When a prompt is not present, the other LLM-related fields will have default values.

Requires a Cloudflare Enterprise plan. You must also enable [Firewall for AI](https://developers.cloudflare.com/waf/detections/firewall-for-ai/).

Categories:

* Request
