# Reference Guides - [How Competitive Pattern Analysis Works](https://documentation.immuta.com/saas/configuration/tags/data-discovery/reference-guide/sdd-scoring.md): Learn how competitive pattern analysis assesses your data to apply column tags - [Built-in Identifier Reference](https://documentation.immuta.com/saas/configuration/tags/data-discovery/reference-guide/improved-pack-built-in-identifier-reference.md): Understand the common data types built-in identifiers detect and tag - [Built-in Identifier Changelog](https://documentation.immuta.com/saas/configuration/tags/data-discovery/reference-guide/improved-pack-built-in-identifier-reference/built-in-identifier-changelog.md): Keep track of the updates made to the built-in identifiers --- # 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://documentation.immuta.com/saas/configuration/tags/data-discovery/reference-guide.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.