> ## 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.

# updateTask

> Update an existing task. Only the fields you include are changed — omitted fields are left as-is. Setting `companyId` clears any existing `tenantId` and vice versa, since a task may be linked to at most one. Requires the `task:edit` permission.