def METHOD_NAME(f, gx,gy,gz, x,y,z):
  return group_args(
    t  = func(f=f,  x=x, y=y, z=z),
    gx = func(f=gx, x=x, y=y, z=z),
    gy = func(f=gy, x=x, y=y, z=z),
    gz = func(f=gz, x=x, y=y, z=z))