> ## 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.

# importTenantFieldSchemas

> Upsert up to 50 tenant field schemas from an external system using their externalFieldId for idempotency. Set isDeleted: true on a schema to mark it as deleted in Plain. Returns an ImportResult with added, updated, and skipped counts.