Awefile

testcommand.js

command('roll', function rollfunction(parameters, player){
  // parameters[0] = maxx;
  // parameters[1] = modifier;
  // parameters = [maxx,modifier,etc,etc,etc];
  
  var max       = parameters[0];
  var modifier  = parameters[1];
  var randnumb  =  Math.random();
  var float     = randnumb * maxx;
  var number    = Math.floor( float ) + modifier;
  echo(player, number);
});