The content of the attachment. Can be one of the following:
Buffer: For binary data.ReadableStream: For streaming large files.string: For text-based content.Blob: For browser-like blob objects.File: For file objects with metadata (e.g., in web environments).The name of the attachment file.
OptionalmimeOptional MIME type of the attachment. Example values include:
Represents an attachment to be temporarily attached to a Service Desk.
Example