> ## 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.

# deleteQueuedAgentSessionMessage

> Removes a user message that is waiting in a Sidekick AGENT_SESSION queue. Rejects with
`queued_agent_session_message_already_dispatched` if the agent has already picked the
message up — the frontend should reload to reflect the new state.