conference-speak-text-params

record conference-speak-text-params {
  id: string,
  call-control-ids: option​<list​<string>>,
  command-id: option​<string>,
  language: conference-speak-request-language-enum,
  payload: string,
  payload-type: option​<conference-speak-request-payload-type-enum>,
  voice: conference-speak-request-voice-enum,
}