Dmol3 perl script for simulated annealing

Hi,
I want to run the Dmol3 script for simulated annealing. Could you please help me on how to add the number of steps in the perl script given below; in other words, what variable can be used for Dmol3 to control the number of molecular dynamics steps in the script?
 
#!perl
 
use strict;
use Getopt::Long;
use MaterialsScript qw(:all);
 
my \$xsdDoc1 = "test";
 
Modules->DMol3->ChangeSettings([UseSymmetry=>0,Quality=>"Coarse",SpinUnrestricted=>"Yes",
                        TheoryLevel=>"LDA", LocalFunctional=>"VWN",
                        UseSmearing=>"Yes",Smearing=>"0.005", Basis=>"MIN",
                        CalculateChargeDensity=>"Field", GridInterval=>"0.25", Ensemble => "NVT",
                        Temperature => "300" ]);
 
my \$doc1 = \$Documents{"\$xsdDoc1.xsd"};
 
Modules->DMol3->Dynamics->Run(\$doc1)

Deepali Sharma