[null,null,["最終更新日 2025-09-01 UTC。"],[[["\u003cp\u003eThe \u003ccode\u003eCameraClipPreview\u003c/code\u003e trait enables Nest devices to provide a 10-frame video clip preview in mp4 format triggered by motion, person detection, or doorbell chimes.\u003c/p\u003e\n"],["\u003cp\u003eThis trait utilizes the \u003ccode\u003eClipPreview\u003c/code\u003e event, which includes a \u003ccode\u003epreviewUrl\u003c/code\u003e for accessing the clip and an \u003ccode\u003eeventSessionId\u003c/code\u003e for correlating it with other events.\u003c/p\u003e\n"],["\u003cp\u003eTo view the clip preview, make a GET request to the provided \u003ccode\u003epreviewUrl\u003c/code\u003e with your OAuth access token in the Authorization header.\u003c/p\u003e\n"],["\u003cp\u003eThis trait does not have any associated fields or commands, primarily functioning through events to deliver clip previews.\u003c/p\u003e\n"]]],[],null,["\u003cbr /\u003e\n\nCameraClipPreview Schema\n========================\n\n[Nest Doorbell (battery)](/nest/device-access/api/doorbell-battery) [Nest Doorbell (wired)](/nest/device-access/api/doorbell-wired)\n\n`sdm.devices.traits.CameraClipPreview`\n\nThis trait belongs to any device that supports the download of a clip preview.\n\n\u003cbr /\u003e\n\nFields\n------\n\n\nThere are no fields available for this trait.\n\n\u003cbr /\u003e\n\nCommands\n--------\n\nThere are no commands available for this trait.\n\nEvents\n------\n\n\u003cbr /\u003e\n\n### ClipPreview\n\nA video clip is available for preview.\n\nA clip preview is a 10 frame video file in mp4 format. You can choose to show the mp4 video file, or transcode it to another format (for example, an animated gif) in order to show a complete 10 frame sequence. The device client capabilities should be considered when selecting a clip preview method.\n\nThis event is supported for the following events:\n\n| Type | Element | Description |\n|-------|--------------------------------------------------------------------------------------------------|-------------------------------------------|\n| Event | [Motion](/nest/device-access/traits/device/camera-motion#motion) event of the CameraMotion trait | Motion has been detected by the camera. |\n| Event | [Person](/nest/device-access/traits/device/camera-person#person) event of the CameraPerson trait | A person has been detected by the camera. |\n| Event | [Chime](/nest/device-access/traits/device/doorbell-chime#chime) event of the DoorbellChime trait | The doorbell has been pressed. |\n\nUse the `eventSessionId` to associate this event and the related `previewUrl` with one or more supported events.\n\n\u003cbr /\u003e\n\n#### ClipPreview event\n\n### Payload\n\n {\n \"eventId\" : \"7d481e3b-7498-486a-b0b6-fdf4281d5b1f\",\n \"timestamp\" : \"2019-01-01T00:00:01Z\",\n \"resourceUpdate\" : {\n \"name\" : \"enterprises/project-id/devices/device-id\",\n \"events\" : {\n \"sdm.devices.events.CameraClipPreview.ClipPreview\" : {\n \"eventSessionId\" : \"CjY5Y3VKaTZwR3o4Y19YbTVfMF...\",\n \"previewUrl\" : \"https://previewUrl/...\"\n }\n }\n }\n \"userId\" : \"AVPHwEuBfnPOnTqzVFT4IONX2Qqhu9EJ4ubO-bNnQ-yi\",\n \"resourceGroup\" : [\n \"enterprises/project-id/devices/device-id\"\n ]\n }\n\n#### ClipPreview event fields\n\n| Field | Description | Data Type |\n|------------------|----------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------|\n| `eventSessionId` | An ID given to events occurring as part of a single session of related events. May be used for consolidating events. | `string` Example: \"CjY5Y3VKaTZwR3o4Y19YbTVfMF...\" |\n| `previewUrl` | The URL at which to preview the video clip. The default video codec is H264. | `string` Example: \"https://\u003cvar translate=\"no\"\u003epreviewUrl\u003c/var\u003e/...\" |\n\n#### Event payload fields\n\n| Field | Description | Data Type |\n|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------|\n| `eventId` | The unique identifier for the event. | `string` Example: \"7d481e3b-7498-486a-b0b6-fdf4281d5b1f\" |\n| `timestamp` | The time when the event occurred. | `string` Example: \"2019-01-01T00:00:01Z\" |\n| `resourceUpdate` | An object that details information about the resource update. | `object` |\n| `userId` | A unique, obfuscated identifier that represents the user. | `string` Example: \"AVPHwEuBfnPOnTqzVFT4IONX2Qqhu9EJ4ubO-bNnQ-yi\" |\n| `resourceGroup` | An object that indicates resources that might have similar updates to this event. The resource of the event itself (from the `resourceUpdate` object) will always be present in this object. | `object` |\n\nSee [Events](/nest/device-access/api/events) for more information on the different\ntypes of events and how they work.\n\n\u003cbr /\u003e\n\n#### Preview the clip\n\n\u003cbr /\u003e\n\nTo preview the clip, make a GET call to the `previewUrl` using the OAuth access token in the HTTP Authorization header: \n\n### Preview\n\n curl -H 'Authorization: Bearer \u003cvar translate=\"no\"\u003eaccess-token\u003c/var\u003e' \\\n https://\u003cvar translate=\"no\"\u003epreviewUrl\u003c/var\u003e/...\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\nErrors\n------\n\nSee the [API Error Code Reference](/nest/device-access/reference/errors/api) for\nthe full list of API error codes.\n\n\u003cbr /\u003e"]]
