Arcanedev\SeoHelper\Contracts\Entities\Title::setSiteName PHP Method

    public function setSiteName($siteName);

 /**
  * Set the site name.
  *
  * @param  string  $siteName
  *
  * @return self
  */
 public function setSiteName($siteName)
 {
     $this->title->setSiteName($siteName);
     return $this;
 }