int totalPrims = nprimitives(1);
int nPrim=0;
for nPrim<totalPrims{
//setprimintrinsic(int geohandle, string name, int prim_num, <type>value, string mode="set")
setprimintrinsic(0,"n",nPrim, "60", "set")
nPrim+=1;
}

int success = 0;
int totalPrims = nprimitives(1);
for (int nPrim=0; nPrim++; nPrim<totalPrims){
    // Fetch normal from input 1.
    vector tempN = primattrib(1,"N",nPrim,success);
    if (success==1){
       // sucessful fetch of data, time to assign.
       setprimintrinsic(0,"N",nPrim, tempN, "set");
    }
}