Gen 2 Button

################################################
##   Gen 2 Button Automations & Scripts
################################################
  
  - id: doorbell
    alias: Doorbell
    initial_state: 'on'
    trigger:
     -  platform: event
        event_type: click
        event_data:
          entity_id: binary_sensor.switch_158d0002134dde
          click_type: single
     -  platform: event
        event_type: click
        event_data:
          entity_id: binary_sensor.switch_158d0002134dde
          click_type: double
    action:
      service: homeassistant.turn_on
      entity_id:
        - script.doorbell
        
        
Add to scripts.yaml 
        
 doorbell:
  sequence:
  - service: hassio.addon_stdin     
    data:        
      addon: de3cd379_audio_player          
      input: "https://YOUR_RASPBERRY_PI'S_IP:8123/local/doorbell.mp3"
  - service: ifttt.trigger
    data: {"event":"text_notification", "value1":"Someone rang the doorbell."}