> ## Documentation Index
> Fetch the complete documentation index at: https://www.plain.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# importTenantFieldSchemasFromService

> Fetches tenant field schemas from a connected external service (identified by `serviceIntegrationKey`) and upserts them into Plain. The service must already be authorized and connected. Returns the full list of schemas that were imported.