> ## 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.

# createCustomerGroup

> Create a new customer group with a unique key, display name, and color. Use `upsertCustomerGroup` instead if you need idempotent create-or-update behaviour. Requires `customerGroup:create` permission.