Một đối tượng cho biết những tài nguyên có thể có nội dung cập nhật tương tự như sự kiện này. Tài nguyên của chính sự kiện (từ đối tượng resourceUpdate) sẽ luôn có trong đối tượng này.
object
Hãy xem phần Sự kiện để biết thêm thông tin về các loại sự kiện và cách chúng hoạt động.
Lỗi
(Các) mã lỗi sau đây có thể được trả về liên quan đến đặc điểm này:
Thông báo Lỗi
RPC
Khắc phục sự cố
Bạn không thể tải hình ảnh từ camera xuống nữa.
DEADLINE_EXCEEDED
Hình ảnh sự kiện sẽ hết hạn sau 30 giây kể từ khi sự kiện được xuất bản. Nhớ tải hình ảnh xuống trước khi hết hạn.
Mã sự kiện không thuộc về camera.
FAILED_PRECONDITION
Sử dụng eventID chính xác do sự kiện camera trả về.
[null,null,["Cập nhật lần gần đây nhất: 2025-09-01 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eCameraSound\u003c/code\u003e trait applies to devices that can detect sound events, like the Nest Cam, Nest Hub Max, and Nest Doorbell.\u003c/p\u003e\n"],["\u003cp\u003eThis trait only has an event for when sound is detected and does not include any fields or commands.\u003c/p\u003e\n"],["\u003cp\u003eWhen a sound is detected, an event is triggered with details such as an event ID, timestamp, and session ID, which can be used for image retrieval and event correlation.\u003c/p\u003e\n"],["\u003cp\u003eYou can use the provided event IDs with the GenerateImage command to download images associated with the sound event within a 30-second timeframe.\u003c/p\u003e\n"],["\u003cp\u003eThis trait may return specific error codes like \u003ccode\u003eDEADLINE_EXCEEDED\u003c/code\u003e if an image request is made after its expiration or \u003ccode\u003eFAILED_PRECONDITION\u003c/code\u003e if an incorrect event ID is used.\u003c/p\u003e\n"]]],[],null,["\u003cbr /\u003e\n\nCameraSound Schema\n\n[Nest Cam (legacy)](/nest/device-access/api/camera) [Nest Hub Max](/nest/device-access/api/display) [Nest Doorbell (legacy)](/nest/device-access/api/doorbell)\n\n`sdm.devices.traits.CameraSound`\n\nThis trait belongs to any device that supports sound detection events.\n\n\u003cbr /\u003e\n\nFields\n\n\nThere are no fields available for this trait.\n\n\u003cbr /\u003e\n\nCommands\n\nThere are no commands available for this trait.\n\nEvents\n\n\u003cbr /\u003e\n\nSound\n\nSound has been detected by the camera.\n\nSound event \n\nPayload \n\n {\n \"eventId\" : \"2a0bf6b9-3d1f-4e60-a397-a4f919ddcc61\",\n \"timestamp\" : \"2019-01-01T00:00:01Z\",\n \"resourceUpdate\" : {\n \"name\" : \"enterprises/project-id/devices/device-id\",\n \"events\" : {\n \"sdm.devices.events.CameraSound.Sound\" : {\n \"eventSessionId\" : \"CjY5Y3VKaTZwR3o4Y19YbTVfMF...\",\n \"eventId\" : \"MsKrvlt1fwH1TDU5A7qxAe6FHG...\"\n }\n }\n }\n \"userId\" : \"AVPHwEuBfnPOnTqzVFT4IONX2Qqhu9EJ4ubO-bNnQ-yi\",\n \"resourceGroup\" : [\n \"enterprises/project-id/devices/device-id\"\n ]\n }\n\nSound 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| `eventId` | An ID associated with the event. Use it with the [GenerateImage command](/nest/device-access/traits/device/camera-event-image#generateimage) to download the camera image related to this event. | `string` Example: \"MsKrvlt1fwH1TDU5A7qxAe6FHG...\" |\n\nEvent payload fields\n\n| Field | Description | Data Type |\n|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------|\n| `eventId` | The unique identifier for the event. | `string` Example: \"2a0bf6b9-3d1f-4e60-a397-a4f919ddcc61\" |\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\nErrors\n\nThe following error code(s) may be returned in relation to this trait:\n\n| Error Message | RPC | Troubleshooting |\n|---------------------------------------------------|-----------------------|-------------------------------------------------------------------------------------------------------------------|\n| Camera image is no longer available for download. | `DEADLINE_EXCEEDED` | Event images expire 30 seconds after the event is published. Make sure to download the image prior to expiration. |\n| Event id does not belong to the camera. | `FAILED_PRECONDITION` | Use the correct `eventID` returned by the camera event. |\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"]]
