# PII Data masking Personally identifiable information (PII) or sensitive personal information (SPI) refers to information that can be used alone or with other information to identify, contact, or locate an individual, or to identify an individual in context. Some examples of PII include email address, social security number, passport ID, credit card number, home address, etc. ## More information soon --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs-conversational-ai.syntphony.com/_eva-3.4.1_1/using-eva/advanced-options/pii-data-masking.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.