To upload the binary content of an attachment, data must be uploaded as multipart/form-data into the storage service. The resulting key is then stored in the StorageReference property of the attachment.

cURL Example

curl -X POST
'https://{fqdn_helix}/api/v1/Files?Type=ArchiveDocumentAttachment' \
    -H 'Authorization: Bearer {ACCESS_TOKEN}' 
    -H 'accept: application/json' \
    -H 'x-xsuite-remoteauth: {REMOTE_AUTH_TOKEN}'
    -H 'Content-Type: multipart/form-data' \
    -F file=@CubeMMAlpaca01.pdf;type=application/pdf

Example storage key

83948f93-8cb7-48ca-9de3-3e7ffdae93ec