# StreamSequenceToken Properties

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

## EventIndex {#eventindex-6174e6ad}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.streamsequencetoken/properties/eventindex-6174e6ad/)

```csharp
public abstract int EventIndex
```

Gets the number of events in batch prior to this event

## SequenceNumber {#sequencenumber-e17b39f0}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.streamsequencetoken/properties/sequencenumber-e17b39f0/)

```csharp
public abstract long SequenceNumber
```

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