Content of the attachment. It can either be a readable stream, a base64 encoded string, or a buffer. For attachments less than 3MB, the content can be a readable stream, or a base64 encoded string. For attachments greater than 3MB, the content must be either a readable stream or a buffer.
Optional
contentContent disposition of the attachment.
Optional
contentContent ID of the attachment.
Attachment's content type.
Attachment's name.
Optional
isIf it's an inline attachment.
Optional
sizeAttachment's size in bytes.
Interface of a create attachment request.