> ## Documentation Index
> Fetch the complete documentation index at: https://plain-docs-orca-916-agent-docs-restructure.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# calculateRoleChangeCost

> Calculates the billing cost delta of changing a user's role or seat type, including prorated and full-period amounts. Use this before making a role change to show the user an accurate cost preview.