Interface specification

This is the existing interface specification for Versions_by_Date.prl: 

if (/^-i/) {
   print "description : 'Versions by Date'\n";
   print "id : 2018\n";
   print "helpfile :\n";
   print "parameters : ";
   print "LOOKIN ";
   print "\n";
   print_version_rightclick();
   print "fields : ";
   print "\"Version Path\"(version_xpn, rightclick, sort 2) ";
   print "\"Version Creation Time\"(cctime) ";
   print "\"Version Creation Time\"(time_t, sort 1, hidden) ";
   print "\n";
   exit(0);
}