# Attachments

The Attachments object contains the requested file as an attachment and includes the display name and instance file name

Parameter | Type | Description
--- | --- | ---
AttachmentDoc | base64Binary | Container object used to pass base64 encoded attachments.
DisplayName | string | The external PDF that is passed in.
InstanceFileName | string | The document display name associated with the document instance. This is authored as part of REQ authoring (Document > Properties).
AttachmentPosition | enum | Indicates whether the added PDF will be returned at the beginning or end of the API response. Options are "Beginning" or "End;" default is "End."