--- title: cf.llm.prompt.pii_categories description: Array of string values with the personally identifiable information (PII) categories found in the LLM prompt included in the request. image: https://developers.cloudflare.com/core-services-preview.png --- > Documentation Index > Fetch the complete documentation index at: https://developers.cloudflare.com/ruleset-engine/llms.txt > Use this file to discover all available pages before exploring further. [Skip to content](#%5Ftop) # cf.llm.prompt.pii\_categories `cf.llm.prompt.pii_categories` ` Array ` Array of string values with the personally identifiable information (PII) categories found in the LLM prompt included in the request. The possible values are the following: | Category | Description | | ---------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | | CREDIT\_CARD | Credit card number | | CRYPTO | Crypto wallet number (currently only Bitcoin address) | | DATE\_TIME | Absolute or relative dates or periods or times smaller than a day | | EMAIL\_ADDRESS | Email address | | IBAN\_CODE | International Bank Account Number (IBAN) | | IP\_ADDRESS | Internet Protocol (IP) address | | NRP | A person's nationality, religious or political group | | LOCATION | Name of politically or geographically defined location (cities, provinces, countries, international regions, bodies of water, mountains) | | PERSON | Full person name | | PHONE\_NUMBER | Telephone number | | MEDICAL\_LICENSE | Common medical license numbers | | URL | Uniform Resource Locator (URL), used to locate a resource on the Internet | | US\_BANK\_NUMBER | US bank account number | | US\_DRIVER\_LICENSE | US driver license | | US\_ITIN | US Individual Taxpayer Identification Number (ITIN) | | US\_PASSPORT | US passport number | | US\_SSN | US Social Security Number (SSN) | | UK\_NHS | UK NHS number | | UK\_NINO | UK National Insurance Number | | ES\_NIF | Spanish NIF number (personal tax ID) | | ES\_NIE | Spanish NIE number (foreigners ID card) | | IT\_FISCAL\_CODE | Italian personal tax ID code | | IT\_DRIVER\_LICENSE | Italian driver license number | | IT\_VAT\_CODE | Italian VAT code number | | IT\_PASSPORT | Italian passport number | | IT\_IDENTITY\_CARD | Italian identity card number | | PL\_PESEL | Polish PESEL number | | SG\_NRIC\_FIN | National Registration Identification Card (Singapore) | | SG\_UEN | Unique Entity Number (for entities registered in Singapore) | | AU\_ABN | Australian Business Number (ABN) | | AU\_ACN | Australian Company Number (ACN) | | AU\_TFN | Australian tax file number (TFN) | | AU\_MEDICARE | Medicare number (issued by Australian government) | | IN\_PAN | Indian Permanent Account Number (PAN) | | IN\_AADHAAR | Individual identity number (issued by Indian government) | | IN\_VEHICLE\_REGISTRATION | Vehicle registration number (issued by Indian government) | | IN\_VOTER | Numeric voter ID (issued by Indian Election Commission) | | IN\_PASSPORT | Indian Passport Number | | FI\_PERSONAL\_IDENTITY\_CODE | Finnish Personal Identity Code | The categories list is based on the [list of PII entities supported by Presidio](https://microsoft.github.io/presidio/supported%5Fentities/). Presidio is the data protection and de-identification SDK used in AI Security for Apps. Requires a Cloudflare Enterprise plan. You must also enable [AI Security for Apps](https://developers.cloudflare.com/waf/detections/ai-security-for-apps/). Example usage: ``` # Matches requests where PII categorized as "EMAIL_ADDRESS" or "IBAN_CODE" was detected:(cf.llm.prompt.pii_detected and any(cf.llm.prompt.pii_categories[*] in {"EMAIL_ADDRESS" "IBAN_CODE"})) ``` Categories: * Request ```json {"@context":"https://schema.org","@type":"TechArticle","@id":"https://developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.llm.prompt.pii_categories/#page","headline":"cf.llm.prompt.pii_categories ยท Cloudflare Ruleset Engine docs","description":"Array of string values with the personally identifiable information (PII) categories found in the LLM prompt included in the request.","url":"https://developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.llm.prompt.pii_categories/","inLanguage":"en","image":"https://developers.cloudflare.com/core-services-preview.png","publisher":{"@type":"Organization","name":"Cloudflare","url":"https://www.cloudflare.com/"},"isPartOf":{"@type":"WebSite","@id":"https://developers.cloudflare.com/#website","name":"Cloudflare Docs","url":"https://developers.cloudflare.com/"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/ruleset-engine/","name":"Ruleset Engine"}},{"@type":"ListItem","position":3,"item":{"@id":"/ruleset-engine/rules-language/","name":"Rules language"}},{"@type":"ListItem","position":4,"item":{"@id":"/ruleset-engine/rules-language/fields/","name":"Fields"}},{"@type":"ListItem","position":5,"item":{"@id":"/ruleset-engine/rules-language/fields/reference/","name":"Fields reference"}}]} ```