Sulu\Bundle\AdminBundle\Navigation\NavigationItem::setPosition PHP Method

    public function setPosition($position)
    {
        $this->position = $position;
    }

 public function __construct(SecurityCheckerInterface $securityChecker, $title)
 {
     $this->securityChecker = $securityChecker;
     $rootNavigationItem = new NavigationItem($title);
     $section = new NavigationItem('navigation.modules');
     $section->setPosition(20);
     $contacts = new NavigationItem('navigation.contacts');
     $contacts->setPosition(30);
     $contacts->setIcon('user');
     if ($this->securityChecker->hasPermission('sulu.contact.people', PermissionTypes::VIEW)) {
         $people = new NavigationItem('navigation.contacts.people');
         $people->setPosition(10);
         $people->setIcon('users');
         $people->setAction('contacts/contacts');
         $contacts->addChild($people);
     }
     if ($this->securityChecker->hasPermission('sulu.contact.organizations', PermissionTypes::VIEW)) {
         $companies = new NavigationItem('navigation.contacts.companies');
         $companies->setPosition(20);
         $companies->setIcon('building');
         $companies->setAction('contacts/accounts');
         $contacts->addChild($companies);
     }
     if ($contacts->hasChildren()) {
         $rootNavigationItem->addChild($section);
         $section->addChild($contacts);
     }
     $this->setNavigation(new Navigation($rootNavigationItem));
 }