SendUploadDataParametersUploadData Property

The upload data associated with a `UrlRequest`. The upload data can be in the `text/plain`, `application/x-www-form-urlencoded`, or `multipart/form-data` format.The upload data type depends on the content of the `Content-Type` header.If the `Content-Type` header is missing or doesn't include a valid substring indicating the corresponding upload data type, the upload data will be in a binary format.

public IUploadData UploadData { get; }