# GrainStreamQueueCheckpointer.CheckpointExists

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

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Streaming/Checkpointers/GrainStreamQueueCheckpointer.cs#L67-L71)

```csharp
public bool CheckpointExists
```

Gets a value indicating whether a checkpoint exists.

### Value

`true` if checkpoint exists; otherwise, `false`.