> ## 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.

# setupTenantFieldSchemaMapping

> Maps a tenant field schema to a built-in Plain concept such as `TIER`, enabling automatic tier assignment based on the field's value. Only one schema can be mapped to a given concept at a time.