How to download the multiple document attchments in D365 F&O Using X++

 The below code is to download the attachments which are attached in Vendor Invoice journals

AP->Inquiries and reports->Invoice-> Invoice Journal

The above screen added new button to download the multiple selected records attachments.

[ExtensionOf(formControlStr(VendInvoiceJournal,ABCDownloadFile))]

final class ABC_VendInvoiceJournalButton_Extension

{

    public void clicked()

    {

        FormButtonControl fbc = this as FormButtonControl;

        VendInvoiceJour vendInvoiceJour;

        DocuRef docuRef;

        DocuValue docuValue;

        str docURL;

        next clicked();

        FormRun             formRun     = fbc.formRun();

        FormDataSource      fds         = formRun.dataSource();        

        vendInvoiceJour = fds.getFirst(true);

        while(vendInvoiceJour.RecId!=0)

        {

            select firstOnly docuRef

                where docuRef.RefTableId    == vendInvoiceJour.TableId

                && docuRef.RefRecId         == vendInvoiceJour.RecId

                && docuRef.RefCompanyId     == vendInvoiceJour.DataAreaId;

            if (docuRef.RecId)

            {

                docuValue = DocuValue::find(docuRef.ValueRecId);

                

                

                if (docuValue.RecId)

                {

                    docURL = File::SendFileToTempStore(DocumentManagement::getAttachmentStream(docuRef),docuValue.fileName+'.'+docuValue.FileType,classStr(FileUploadTemporaryStorageStrategy),true);

                    Browser browser = new Browser();

                    browser.navigate(docURL,true,false);

                }

                else

                {

                    warning("No file attachment found for the selected record.");

                }

            }

            else

            {

                warning("No document reference found for the selected record.");

            }

            vendInvoiceJour = fds.getNext();

        }

            

    }

}