NameDescriptionTypeAdditional information
Hash

Image hash of the image you uploaded earlier.
In case of external downloadable images, this is where the path where we can download the image should be set

 string

Required
Amount

Amount of times you want this attachment to be produced.

 integer

Required

Range: inclusive between 0 and 999
Type

Optional values, used for setting the attachment type.
Possible values:
Empty: ATTACHMENT [Default when type is empty]
Cover: COVER [order must also have a bookblock attachment]
Bookblock: BOOKBLOCK [order must also have a cover attachment]

 string

None.
Filetype

In case of external downloaded images please put the filetype here.
Possible fields: JPG / JPEG / PNG / BMP / PDF

 string

None.