deb-cinder/api-ref/source/v1/samples/volume-types-list-response.json

{
    "volume_types": [
        {
            "id": "289da7f8-6440-407c-9fb4-7db01ec49164",
            "name": "vol-type-001",
            "extra_specs": {
                "capabilities": "gpu"
            }
        },
        {
            "id": "96c3bda7-c82a-4f50-be73-ca7621794835",
            "name": "vol-type-002",
            "extra_specs": {}
        }
    ]
}