> ## 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.

# importTenants

> Upsert up to 25 tenants from an external system using their externalId for idempotency. Optionally include tenant field values to sync custom fields alongside the tenant record. Returns an ImportResult with added, updated, and skipped counts.