TIM-VX/include/tim/vx/ops/broadcast.json

{
    "Broadcast":{
        "parameters":
            [
                {"name": "shape",
                 "dtype": "std::vector<int32_t>"
                },
                {"name": "dimensions",
                 "dtype": "std::vector<int32_t>",
                 "Optional": "true",
                 "default": "{}"
                }
            ]
    }
}