<PackageReference Include="Azure.Storage.Blobs" Version="12.24.1" />

AppendBlobOpenWriteOptions

Optional parameters for Append Blob Open Write.
public long? BufferSize { get; set; }

The size of the buffer to use. Default is 4 MB. Beginning with x-ms-version 2022-11-02, the max buffer size is 100 MB. For previous versions, the max buffer size is 4 MB. See AppendBlobMaxAppendBlockBytes.

Access conditions used to open the write stream.

public IProgress<long> ProgressHandler { get; set; }

Optional IProgress<T> to provide progress updates about data transfers.

Optional override settings for this client's TransferValidation settings.