Notify when someone's home

automations.yaml

@@ -60,6 +60,26 @@
       platform: state
       from: not_home
       to: home
+- action:
+  - service: notify.notifymyandroid
+    data:
+      message: >-
+        Someone's home:
+        {{ states
+         | selectattr("entity_id", "in",
+                      states.group.phones.attributes.entity_id)
+         | selectattr('state', 'eq', 'home')
+         | map(attribute='attributes.friendly_name')
+         | join(' and ')}}.
+  alias: Notify that someone else is home
+  trigger:
+    - entity_id: group.phones
+      platform: state
+      to: home
+  condition:
+    - condition: state
+      entity_id: device_tracker.homeassistant_pixel
+      state: not_home
 - action:
   - service: scene.turn_on
     entity_id: scene.dimmed_brightness

configuration.yaml

@@ -84,6 +84,11 @@ weather:
   - platform: darksky
     api_key: !secret darksky_api_key
 
+notify:
+  - name: notifymyandroid
+    platform: nma
+    api_key: !secret notifymyandroid_api_key
+
 zone: !include zones.yaml
 group: !include groups.yaml
 automation: !include automations.yaml