public function findOneById($appUserId, $id)
    {
        $url = sprintf('users/%s/payments/%s', $appUserId, $id);
        return $this->getOne($url, $this->entityClassName);
    }
public function findOneById($appUserId, $id)
    {
        $url = sprintf('users/%s/payments/%s', $appUserId, $id);
        return $this->getOne($url, $this->entityClassName);
    }
public function findOneById ( $ appUserId , $ id ) { $ url = sprintf ( 'users/%s/payments/%s' , $ appUserId , $ id ) ; return $ this -> getOne ( $ url , $ this -> entityClassName ) ; }
Find payment by id

@param string $appUserId
@param int $id
@return \Picoss\SMoney\Entity\Payment
Find payment by id