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Attachment Service

Attachments must be uploaded before the document that references them. DIWASS assigns an attachment ID which is then passed in attachmentIds arrays on Submit calls.

UploadAttachment​

Uploads a file and receives a DIWASS attachment ID. SOAP with MTOM (Message Transmission Optimization Mechanism) binary encoding.

Request​

<UploadAttachmentRequest>
  <organizationId>ORG-UUID</organizationId>
  <attachmentType>FacilityPermit</attachmentType>
  <originalFilename>facility_permit_DE_2025.pdf</originalFilename>
  <mimeCode>application/pdf</mimeCode>
  <containsPersonalData>false</containsPersonalData>
  <fileData><!-- MTOM binary ref --></fileData>
</UploadAttachmentRequest>

Response​

<UploadAttachmentResponse>
  <diwasskAttachmentId>ATT-DIWASS-001</diwasskAttachmentId>
</UploadAttachmentResponse>

Valid attachment types are defined in the DIWASS technical documentation (e.g. FacilityPermit, AuditReport, WasteTreatmentInformation). Use GetAttachmentTypes from the Reference Data service to retrieve the current list.

GetAttachment​

Downloads an attachment by its DIWASS ID. Used when DIWASS returns attachmentIds in decisions, RFIs, or signals issued by competent authorities.

Request​

<GetAttachmentRequest>
  <diwasskAttachmentId>ATT-DIWASS-002</diwasskAttachmentId>
</GetAttachmentRequest>

Response​

Binary file stream via MTOM.