/**
* Find a group By name
*
* @param $group_name
* @return mixed
* @throws \Fenos\Notifynder\Exceptions\NotifynderGroupNotFoundException
*/
public function findByName($group_name)
{
$group = $this->groupRepo->findByName($group_name);
if (is_null($group)) {
$error = "Group Not Found";
throw new NotifynderGroupNotFoundException($error);
}
return $group;
}