# StreamSequenceToken.SequenceNumber

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

```csharp
public abstract long SequenceNumber
```

Gets the number of event batches in stream prior to this event batch