UploadData Object 
- bytesBuffer - Content being sent.
- filestring (optional) - Path of file being uploaded.
- blobUUIDstring (optional) - UUID of blob data. Use ses.getBlobData method to retrieve the data.
bytes Buffer - Content being sent.file string (optional) - Path of file being uploaded.blobUUID string (optional) - UUID of blob data. Use ses.getBlobData method to retrieve the data.