-DCMAKE_PREFIX_PATH=<> can't able to find this path

SO GUYS I WAS WORKING WITH CUDA speficallly with nvCOMP and in the examples site https://github.com/NVIDIA/CUDALibrarySamples/tree/master/nvCOMP/examples
i was not able to figure out this command variable

cmake .. -DCMAKE_PREFIX_PATH=<nvCOMP sysroot path> \
         -DCMAKE_BUILD_TYPE=Release```

"-DCMAKE_PREFIX_PATH="  can someone tell me what this variable i have to set it to with a example i am use cuda natively installed on my arch linux