set_datetime:
  target:
    entity:
      domain: input_datetime
  fields:
    date:
      example: '"2019-04-20"'
      selector:
        text:
    time:
      example: '"05:04:20"'
      selector:
        time:
    datetime:
      example: '"2019-04-20 05:04:20"'
      selector:
        text:
    timestamp:
      selector:
        number:
          min: 0
          max: 9223372036854775807
          mode: box

reload: