# How do the Lead and Contact Lookup fields work on Engagements? When Engagement records are created, the system populates either a Lead or Contact lookup field to associate them with the record for the person who engaged. If **both** the Lead **and** Contact lookup fields are populated, that means the Engagement was created on a Lead that was later converted to a Contact. The central object of the Integrous Analytics system that captures both attribution data and sales progression information for every meaningful interaction with Leads and Contacts. --- # 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://help.integrousanalytics.com/faqs/how-do-the-lead-and-contact-lookup-fields-work-on-engagements.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.