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The original was posted on /r/homeassistant by /u/CurrentPast3481 on 2026-02-10 16:59:47+00:00.

Hi!

Yesterday I released the first version of Home Assistant WhatsApp Integration - A custom integration to send WhatsApp messages in Home Assistant and to run triggers/automations based on received messages.

Thanks to the overwhelming support from you guys and because some people asked for group support, today I released the version 1.1.0 which includes group support.

Here are some examples on how to use this new update:

Sending a Messsage

You can send messages to any number using the service:

service: whatsapp.send_message
data:
  number: "40741234567" # Country code + Number (no "+" symbol) 
  message: "Hello from Home Assistant! 🏠"

Sending to a Group

You can send messages to a group by its exact name:

service: whatsapp.send_message
data:
  group: "Family Group" # Exact name of the group
  message: "Dinner is ready! 🍽️"

Automation Trigger

Trigger actions when a specific message is received:

trigger:
  - platform: whatsapp
    from_number: "40741234567"
    contains_text: "Turn on lights" # Optional
action:
  - service: light.turn_on
    target:
      entity_id: light.living_room

Group Message Trigger

To trigger an automation from a group message, use from_group with the exact group name:

trigger:
  - platform: whatsapp
    from_group: "Family Group"
    contains_text: "Dinner" # Optional
action:
  - service: notify.persistent_notification
    data:
      message: "Dinner time!"

Thank you!