Send a greetings TTS message using tts.google_say service after motion detected, considering who arrived in the configured minutes.

tts-motion.yaml

blueprint:
  name: TTS on motion with persons at home
  description: Sends TTS message to a media_player when motion is detected with the person
    at home
  domain: automation
  input:
    door_sensor:
      name: Motion sensor
      selector:
        entity:
          domain: binary_sensor
          device_class: motion
    persons:
      name: Persons
      selector:
        entity:
          domain: person
    minutes:
      name: Minutes
      description: Minutes between person at home and motion detected
      default: 5
      selector:
        number:
          min: 1.0
          max: 30.0
          step: 1.0
          unit_of_measurement: min
          mode: slider
    message-single:
      name: Message single person
      description: 'Message to salute single person. One possible message per line.
        Use <person> tag to be replaced by person name.

        '
      selector:
        text:
          multiline: true
    message-multiple:
      name: Message multiple persons
      description: 'Message multiple persons. One possible message per line. Use <persons>
        tag to be replaced by person name.

        '
      selector:
        text:
          multiline: true
    persons-concat:
      name: Text to concatenate the persons name
      description: String to be used as concatenate between names
      default: ' and '
      selector:
        text:
          multiline: false
    target:
      name: Target devices
      description: Target devices to play the TTS message
      selector:
        entity:
          domain: media_player
    condition:
      name: Condition to run
      description: 'Add a value_template value for major condition to execute the automation'
      default: 'True'
      selector:
        text:
    actions:
      name: Additional actions
      description: 'After the execution of the automation, run those actions.'
      default: []
      selector:
        action: {}
  source_url: https://gist.github.com/rokam/9c9a60ab5edbd1f8934e21278970cffe
variables:
  persons_str: !input 'persons'
  persons_list: '{{ persons_str.split('','') | map(''trim'') | list }}'
  timeout: !input 'minutes'
  concat_str: !input 'persons-concat'
  addactions: !input actions
  persons_count: "{%- set first = true -%} {%- set data = namespace(nomes=[]) -%}\
    \ {%- for person in persons_list -%}\n  {%- if is_state(person, 'home') and (now()\
    \ - states[person].last_changed).total_seconds() < timeout*60 -%}\n    {%- set\
    \ data.nomes = data.nomes + [states[person].name] -%}\n  {%- endif -%}\n{%- endfor\
    \ -%} {{ data.nomes }}\n"
  persons_names: '{%- set finalstr = '', ''.join(persons_count) -%} {{ concat_str.join(finalstr.rsplit('',
    '',1)) }}

    '
  single_msg: !input 'message-single'
  multiple_msg: !input 'message-multiple'
trigger:
- platform: state
  entity_id: !input 'door_sensor'
  to: 'on'
action:
- condition: template
  value_template: !input 'condition'
- condition: template
  value_template: "{{ persons_count|length > 0 }}"
- service: tts.google_translate_say
  data:
    entity_id: !input 'target'
    message: "{%- set single_lst = single_msg.split('\\n') -%}\n{%- set multiple_lst\
      \ = multiple_msg.split('\\n') -%}\n{%- if persons_count|length > 1 -%}\n  {{\
      \ multiple_lst | random | replace('<persons>', persons_names) }}\n{%- elif persons_count|length > 0 -%}\n\
      \  {{ single_lst | random | replace('<person>', persons_names) }}\n{%- endif\
      \ -%}\n"
- condition: template
  value_template: "{{ addactions|length > 0 }}"
- choose: []
  default: !input 'actions'
mode: single