private static function GeneratePayCode($companyID = null){
        $result             = false;

        if(isset($companyID)){
            $payCode        = 'COMP' . $companyID . '' . Carbon::now()->timeZone('Asia/Jakarta')->format('ymd') . strtoupper(str_random(3));
            $validator      = Validator::make(['payment_code' => $payCode],['payment_code'=>'unique:vb_company_payment,payment_code']);
            if ($validator->fails()) {
                Self::GeneratePayCode($companyID);
            }else{
                $result = $payCode;
            }
        }

        return $result;
    }