# CachedMessageBlock.CachedMessageBlock(int)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.cachedmessageblock/) | [Constructors](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.cachedmessageblock/constructors/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Common/PooledCache/CachedMessageBlock.cs#L73-L80)

```csharp
public CachedMessageBlock(int blockSize = 16384)
```

Block of cached messages.

### Parameters

- `blockSize` (`int`): The block size, expressed as a number of messages.