> ## 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.

# editQueuedAgentSessionMessage

> Edits the text of a user message that is waiting in a Sidekick AGENT_SESSION queue.
Attachments are not editable in this flow — delete and re-send to change them. Rejects
with `queued_agent_session_message_already_dispatched` if the agent has already
picked the message up.