public void addAttachmentBlob(
	string name,
	string description,
	string type,
	string modificationTime,
	byte[] data
)

Parameters

name

Type: SystemString
The name of the attachment. Will also be used as filename of the attachment and must not contain slashes, backslashes, and colons.

description

Type: SystemString
The description of the attachment (can be null and empty).

type

Type: SystemString
The MIME type of the attachment (can be null and empty except for PDF/A-3 documents).

modificationTime

Type: SystemString
The time and date of the last modification of the file being attached to the document (can be empty). Must be in ISO 8601 extended calendar date format with optional timezone.

data

Type: SystemByte
The attachment proper.

Reference