# EventSequenceToken Properties

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.eventsequencetoken/)

## EventIndex {#eventindex-e05cb765}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.eventsequencetoken/properties/eventindex-e05cb765/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Common/EventSequenceToken.cs)

```csharp
[Orleans.Id(1)]
public override int EventIndex
```

Gets the number of events in batch prior to this event

## SequenceNumber {#sequencenumber-9970a2b6}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.eventsequencetoken/properties/sequencenumber-9970a2b6/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Common/EventSequenceToken.cs)

```csharp
[Orleans.Id(0)]
public override long SequenceNumber
```

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