core/homeassistant/components/tts/services.yaml

# Describes the format for available TTS services

say:
  fields:
    entity_id:
      required: true
      selector:
        entity:
          domain: media_player
    message:
      example: "My name is hanna"
      required: true
      selector:
        text:
    cache:
      default: false
      selector:
        boolean:
    language:
      example: "ru"
      selector:
        text:
    options:
      advanced: true
      example: platform specific
      selector:
        object:

speak:
  target:
    entity:
      domain: tts
  fields:
    media_player_entity_id:
      required: true
      selector:
        entity:
          domain: media_player
    message:
      example: "My name is hanna"
      required: true
      selector:
        text:
    cache:
      default: true
      selector:
        boolean:
    language:
      example: "ru"
      selector:
        text:
    options:
      advanced: true
      example: platform specific
      selector:
        object:

clear_cache: