某开发者编写了如下代码用于在华为云物联网平台上创建设备:"POST https://{endpoint]/v5/iot/iproject_id}/devices”{
"device_id": "d4922d8a-6c8e-4396-852c-164aefa6638f","node_id":"ABC123456789",
"device_name": "dianadevice",
"product_id": "b640f4c203b7910fc3cbd446ed437cbd","auth_info": {
"auth_type": "SECRET",
"secret": ""3b935a250c50dc2c6d481d048cefdc3c",
"fingerprint":"dc0f1016f495157344ac5f1296335cff725ef22f","secure_access" : true
},
"description": "watermeter device",
2299770
"gateway_id": "d4922d8a-6c8e-4396-852c-164aefa6638f","app_id": "jeQDJQZltU8iKgFFoWO60F5SGZka",
"extension_info": {
"aaa": "xxx","lbbb": 0
“shadow":[
}
下列关于上述代码的描述中，正确的是哪一项
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