# PooledQueueCache.Oldest

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Common/PooledCache/PooledQueueCache.cs#L60-L62)

```csharp
public CachedMessage? Oldest
```

Gets the oldest message in cache.