src/Tomahawk/Url/UrlGenerator.php
public function asset($path, array $extra = array(), $secure = false)
    {
        return $this->to($path, $extra, $secure, true);
    }
public function asset($path, array $extra = array(), $secure = false)
    {
        return $this->to($path, $extra, $secure, true);
    }
URL to an asset

@param $path
@param array $extra
@param bool $secure
@return string