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Update nest media attachment documentation (#34445)
* Update nest media attachment documentation * Further clarify nest event wording * Tweaks --------- Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>
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Allen Porter
GitHub
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@ -263,6 +263,8 @@ Home Assistant supports all SDM API features. However, every Camera or Doorbell
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- **RTSP**: These devices have an HLS stream served by the Home Assistant Core. These cameras support server-side `camera` actions like stream recording or image preview. See [Low Latency HLS](/integrations/stream#ll-hls) as a great option to enable to reduce stream latency.
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- **WebRTC**: These devices support direct browser to camera communication and a super low latency stream. A [Picture Glance Card](/dashboards/picture-glance/) can show the live stream in the grid with the *Camera View* set to `live` (not recommended for battery-powered cameras). `camera` actions like stream recording are *not supported*.
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Given a camera named `Front Yard`, then the camera is created with a name such as `camera.front_yard`.
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{% note %}
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This feature is enabled by the following permissions:
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@ -272,10 +274,10 @@ This feature is enabled by the following permissions:
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{% endnote %}
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All cameras also expose event entities for automation. Some camera models also
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support capturing media (snapshots or clips) through device triggers. The table below summarizes the [supported SDM API features](https://developers.google.com/nest/device-access/supported-devices) for each device.
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All cameras have motion and person triggers, however only some support capturing snapshots for events. The table below summarizes the [Supported SDM API features](https://developers.google.com/nest/device-access/supported-devices) for each device.
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| Device | Live Stream | Triggers / Events | Media Source<br> for Triggers / Events |
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| Device | Live stream | Event entities / triggers | Media source<br> for triggers |
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| -------------------------------------------------------------------------------- | :---------------: | :--------------------------------: | :------------------------------------: |
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| Nest Cam (indoor, wired)<br>Nest Cam (outdoor, battery) | WebRTC | Motion<br>Person | N/A |
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| Nest Cam Indoor<br>Nest Cam IQ Indoor<br>Nest Cam IQ Outdoor<br>Nest Cam Outdoor | RTSP<br>Recording | Motion<br>Person<br>Sound | Snapshot (jpg) |
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@ -285,8 +287,6 @@ All cameras have motion and person triggers, however only some support capturing
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| Nest Doorbell (wired, 2nd gen) | WebRTC | Motion<br>Person<br>Chime | Clip Preview (mp4, gif) |
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| Nest Hub Max | RTSP<br>Recording | Motion<br>Person<br>Sound<br> | Snapshot (jpg) |
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Given a camera named `Front Yard` then the camera is created with a name such as `camera.front_yard`.
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## Event
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@ -297,14 +297,16 @@ There are two classes of event entities that are available based on the above ca
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- `motion` for cameras that support any of the event types `camera_motion`, `camera_person`, or `camera_sound`
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- `doorbell` for all cameras that are doorbells and support `doorbell_chime` events
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Nest event entities do not yet expose media for use in attachments.
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Nest event entities are updated immediately when an event message is received
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without waiting for any media to be fetched. See Device Triggers for media support.
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## Device Triggers
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## Automation and device triggers
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The Nest integration provides [device triggers](/docs/automation/trigger/#device-triggers) to enable automation in Home Assistant. You should review the [Automating Home Assistant](/getting-started/automation/) getting started guide on automations or the [Automation](/docs/automation/) documentation for full details.
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Device triggers will wait to fire after any media associated with the event is downloaded. Use an
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event entity for immediate notifications without media.
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{% my automations badge %}
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@ -321,13 +323,18 @@ This is an example of what the `nest_event` payload looks like for a Device Trig
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"type": "doorbell_chime",
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"timestamp": "2022-01-26T04:56:54.031000+00:00",
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"nest_event_id": "EXAMPLE_EVENT_ID",
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"attachment": {
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"image": "/api/nest/event_media/DEVICE_ID/EVENT_ID/thumbnail",
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"video": "/api/nest/event_media/DEVICE_ID/EVENT_ID",
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}
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"zones": ["Zone 1"],
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},
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}
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```
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- `device_id`: The Home Assistant device identifier for the camera
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- `nest_event_id`: is an opaque identifier that can be used with the Media Source Attachments described below for supported cameras.
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- `nest_event_id`: is an opaque identifier that identifies the event.
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- `attachment`: May be present if the device supports snapshots or clips and depends on the device's capabilities. This is a URL where media can be fetched from the media source.
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- `zones`: Zones triggering the event if available. Zones are configured in the Google Home App, though not supported by all cameras. Events in the area outside of a named zone will be an empty zone name.
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{% enddetails %}
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@ -343,7 +350,7 @@ This feature is enabled by the following permissions:
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- *Other permissions and notification settings in the Nest or Google Home apps*.
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{% endnote %}
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### Google Home App Notification Settings
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## Google Home App Notification Settings
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The Google Home App Notifications settings control not only which notifications are sent to your phone,
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but also what gets published to the Pub/Sub feed.
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@ -362,7 +369,6 @@ If you are still not getting notifications, you can read this [troubleshooting g
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{% details "Google Home App Notification Settings" %}
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| Google Home App Setting | Notes |
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| ------------------------ | :---------------------------------------------------------------------: |
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| Notifications: Push | Required for any detection event to be published |
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@ -378,7 +384,7 @@ If you are still not getting notifications, you can read this [troubleshooting g
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The Nest [media source](/integrations/media_source) platform allows you to browse clips for recent camera events. Home Assistant is not intended to be a Network Video Recorder (NVR) platform, however, basic support for capturing recent events is supported.
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The table above describes which devices support event image snapshots or 10-frame mp4 video clips for recent events.
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The table above describes which devices support image snapshots or 10-frame mp4 video clips.
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### Media Attachments
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@ -388,7 +394,7 @@ The Media Source APIs can be used in [Companion App Attachments](https://compani
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- `/api/nest/event_media/DEVICE_ID/EVENT_ID/thumbnail`: A thumbnail preview of the media, which supports image snapshots (jpg) or clip previews (gif) depending on the camera type.
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You can use the event payload fields `device_id` and `event_id` in an [automation](/getting-started/automation/) to send a notification from an [actions](/getting-started/automation-action/) as shown in the examples below.
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You can use the Nest Device Trigger payload fields `attachment.image` or `attachment.video`in an [automation](/getting-started/automation/) to send a notification from an [actions](/getting-started/automation-action/) as shown in the examples below.
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{% details "Example Action: Clip Preview (mp4) attachment for iOS" %}
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@ -402,10 +408,8 @@ data:
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message: Doorbell Pressed
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title: Someone pressed the doorbell
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data:
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image: >-
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/api/nest/event_media/{{ trigger.event.data.device_id }}/{{ trigger.event.data.nest_event_id }}/thumbnail
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video: >-
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/api/nest/event_media/{{ trigger.event.data.device_id }}/{{ trigger.event.data.nest_event_id }}
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image: {{ trigger.event.data.attachment.image }}
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video: {{ trigger.event.data.attachment.video }}
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mode: single
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```
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@ -425,8 +429,7 @@ data:
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message: Doorbell Pressed
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title: Someone pressed the doorbell
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data:
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image: >-
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/api/nest/event_media/{{ trigger.event.data.device_id }}/{{ trigger.event.data.nest_event_id }}/thumbnail
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image: {{ trigger.event.data.attachment.image }}
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```
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{% endraw %}
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@ -445,8 +448,7 @@ data:
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message: Doorbell Pressed
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title: Someone pressed the doorbell
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data:
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image: >-
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/api/nest/event_media/{{ trigger.event.data.device_id }}/{{ trigger.event.data.nest_event_id }}/thumbnail
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image: {{ trigger.event.data.attachment.image }}
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```
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{% endraw %}
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