'account_owner', 'label' => 'Kontoinhaber', 'type' => 'string', 'required' => true], ['name' => 'iban', 'label' => 'IBAN', 'type' => 'string', 'required' => true], ['name' => 'bic', 'label' => 'BIC', 'type' => 'string', 'required' => false], ]; } protected function invoiceClosingStatement(CreateInvoiceRequest $request): string { // TODO: In einer Folge-Iteration ausformulieren (z.B. "Bitte überweise bis zum ... auf IBAN ..."). return ''; } }