phabricator/src/applications/conduit/controller/PhabricatorConduitController.php

<?php

abstract class PhabricatorConduitController extends PhabricatorController {

  protected function buildSideNavView() {
    $viewer = $this->getRequest()->getUser();

    $nav = new AphrontSideNavFilterView();
    $nav->setBaseURI(new PhutilURI($this->getApplicationURI()));

    id(new PhabricatorConduitSearchEngine())
      ->setViewer($viewer)
      ->addNavigationItems($nav->getMenu());

    $nav->addLabel('Logs');
    $nav->addFilter('log', pht('Call Logs'));

    $nav->selectFilter(null);

    return $nav;
  }

  public function buildApplicationMenu() {
    return $this->buildSideNavView()->getMenu();
  }

}