$modx->runProcessor()

gistfile1.php

<?php

MODx{
  
  function runProcessor($action = '',$scriptProperties = array(),$options = array()){
    if($class = $this->loadProcessorClass($action, $options){
      $processor = new $class($scriptProperties,$options);
      return $processor->process();
    }
    return ;
  }
  
  function loadProcessorClass($action = '',$options = array()){
    return $class;
  }
}


$modx->runProcessor('run');

$class = $modx->loadProcessorClass('run');

new $class();