function universal_document_creator_rules_action_info() {
  return array(
      'udc_createdoc' => array(
      'label' => t('Convert Docucument with UDC'),
      'group' => t('Custom'),
      'parameter' => array(
          'templateid' => array(
          'type' => 'integer',
          'label' => t('Template ID'),
          'description' => t('Enter the ID of the template'),
        ),
          'accountmanagersid' => array(
          'type' => 'integer',
          'label' => t('The number of the account manager'),
          'description' => t('The node ID of the number of the account manager.'),
        ),
          'filetypeid' => array(
          'type' => 'integer',
          'label' => t('File type ID'),
          'description' => t('The filetype ID. 1 = Word, 2 is PDF'),
        ),
          'cvnodeid' => array(
          'type' => 'integer',
          'label' => t('CV node ID'),
          'description' => t('The node ID from the CV'),
        ),
      ),
      'provides' => array(
      'filename' => array(
        'type' => 'text',
        'label' => t('File name'),
        ),
      ),
    ),
  );
}

<?php

// This callback creates the document using the parameters provided through rules' UI
function udc_createdoc($templateid, $accountmanagersid, $filetypeid, $cvnodeid) {

  $FileToSave == "foo";
  drupal_set_message(t('test why is this not on my screen'), 'error');

  return $FileToSave;

}