core/homeassistant/components/conversation/services.yaml

# Describes the format for available component services
process:
  name: Process
  description: Launch a conversation from a transcribed text.
  fields:
    text:
      name: Text
      description: Transcribed text
      example: Turn all lights on
      selector:
        text:
    language:
      name: Language
      description: Language of text. Defaults to server language
      example: NL
      selector:
        text:
    agent_id:
      name: Agent
      description: Assist engine to process your request
      example: homeassistant
      selector:
        text: