Helper/Bootstrap/Box.php
public function addNav(Nav $nav)
    {
        $nav->setStacked();
        $this->setContent((string) $nav);
        $this->setStackContainer();
        return $this;
    }
public function addNav(Nav $nav)
    {
        $nav->setStacked();
        $this->setContent((string) $nav);
        $this->setStackContainer();
        return $this;
    }
public function addNav ( Nav $ nav ) { $ nav -> setStacked ( ) ; $ this -> setContent ( ( string ) $ nav ) ; $ this -> setStackContainer ( ) ; return $ this ; }
Add nav in content
@param \Osf\View\Helper\Bootstrap\Nav $nav
@return $this
Add nav in content