public function readTDTtransportIdentification($transportStageQualifier): string
    {
        $transportIdentification = $this->readEdiDataValue(['TDT', ['1' => $transportStageQualifier]], 8, 0);
        if (!empty($transportIdentification)) {
            return $transportIdentification;
        }

        return $this->readEdiDataValue(['TDT', ['1' => $transportStageQualifier]], 8);
    }
public function readTDTtransportIdentification($transportStageQualifier): string
    {
        $transportIdentification = $this->readEdiDataValue(['TDT', ['1' => $transportStageQualifier]], 8, 0);
        if (!empty($transportIdentification)) {
            return $transportIdentification;
        }

        return $this->readEdiDataValue(['TDT', ['1' => $transportStageQualifier]], 8);
    }
public function readTDTtransportIdentification ( $ transportStageQualifier ) : string { $ transportIdentification = $ this -> readEdiDataValue ( [ 'TDT' , [ '1' => $ transportStageQualifier ] ] , 8 , 0 ) ; if ( ! empty ( $ transportIdentification ) ) { return $ transportIdentification ; } return $ this -> readEdiDataValue ( [ 'TDT' , [ '1' => $ transportStageQualifier ] ] , 8 ) ; }
read transport identification number

@param mixed $transportStageQualifier

@return null|string
read transport identification number