---
title: "User Relation Expansion"
description: "User reads can conditionally expand relations such as addresses, dropdown options, driver groups, and history through params."
canonical: https://docs.ordering.co/api-reference/guides/users-special-request/
---

# User Relation Expansion

User reads can conditionally expand relations such as addresses, dropdown options, driver groups, and history through `params`. Availability and field projection depend on operation and caller role.