my $params = {
   inputFiles   => {filter => 'c:/temp/newtest.flt', captureTemplate => 'c:/temp/newtest.ctf'},
   outputFiles  => 'c:/temp/resultsFromScript.apc' 
};

StartCapture($params);

$params->{inputFiles}{filter} = 'c:/temp/new.flt';

StartCapture($params);


sub StartCapture(){
   my $ref = shift;
   
   my %args = ( 
      outputFiles => 'C:\results.txt',
      %{$ref}
   );

   print("$args{inputFiles}{filter} \n");
   print($args{outputFiles});
}