The message to send to the agent

Optional context for the conversation

Optional session ID for conversation continuity. Only one request may be active for a session at a time; overlapping turns for the same session return 409 Conflict.

The ID of the agent to chat with

Optional header for on-behalf-of authentication. Used when making requests on behalf of another user or entity.
Must be in the format: Patient/{uuid} or Practitioner/{uuid}

Optional header for FHIR provider authentication. Contains credentials in the format {fhir_provider_id}:{oauth2_token}.
Multiple FHIR provider integrations can be provided as comma-separated values.