# BatchContainerBatch.SequenceToken

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.batchcontainerbatch/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.batchcontainerbatch/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/QueueAdapters/BatchContainerBatch.cs#L27)

```csharp
[Orleans.Id(1)]
public StreamSequenceToken SequenceToken
```

Gets the stream Sequence Token for the start of this batch. Derived from the first batch container in the batch.