This kind of scan is available only at experiments that have the diffractometer software installed. The first argument is mandatory, the others not.
#!/usr/bin/env perl
use Spectra;
Spectra::scan( type => "reflection", # mandatory
auto_filter => 0,
centering_order => "OCTP",
coarse => 0,
np_scan => 11,
nobackground_subtraction => 0,
range_chi => 0.5,
range_omega => 0.5,
range_phi => 0.5,
range_two_theta => 0.5,
store => 1);