Drupal create rules event

lsadataclassify.rules.inc

/**
 * Implements hook_rules_event_info().
 */
function lsadataclassify_rules_event_info() {

  return array(
    'lsadataclassify_submission_completed' => array(
      'label' => t('A submission has been completed'),
      'group' => t('Research Data'),
      'module' => 'lsadataclassify',
      'arguments' => array(
        'submitting_user' => array('type' => 'user', 'label' => t('The user who created the submission.')),
        'submission' => array('type' => 'node', 'label' => t('The research_data node.')),
      ),
    ),
  );

}

rule trigger

// Trigger rule indicating the submission has been completed.
    if (module_exists('rules')) {

      global $user;

      $submission = node_load($nid);

      rules_invoke_event('lsadataclassify_submission_completed', $user, $submission);

      watchdog('lsadataclassify',t('User @username created the submission nid:!nid', array('@username' => $user->uid . ' - ' . $user->name, '!nid' => $submission->nid)));

    }