# MessagingOptions.DropExpiredMessages

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.configuration.messagingoptions/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.configuration.messagingoptions/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core/Configuration/Options/MessagingOptions.cs)

```csharp
public bool DropExpiredMessages
```

Gets or sets a value indicating whether messages should be dropped once they expire, that is if it was not delivered to the destination before it has timed out on the sender.

### Value

Messages are dropped once they expire, by default.