NameDescriptionTypeAdditional information
Name

The display/file name.

string

Required

String length: inclusive between 1 and 256

Data

The file bytes.

Collection of byte

None.

ContentId

The content id for an inline image.

string

None.

Size

The size in bytes if the attachment that is being sent was uploaded seperately. If you are sending the the data in the Data property we will use the size from there.

integer

None.

SizeStr

The display string for the size, e.g. 50 MB. Do not send this to the API, it will be provided on GET requests only

string

None.

DownloadUrl

The URL that can be used to download the attachment Do not send this to the API, it will be provided on GET requests only

string

None.