# OutOfRangeBehavior

> The behavior when start index and/or length are too big, defaults to SubStringFormatter.SubStringOutOfRangeBehavior.ReturnEmptyString.

## Definition

* **Type:** Property
* **Namespace:** [Unity.SmartStrings.Extensions](/engine/6000.7/script-reference/unity/smartstrings/extensions.md)
* **Assembly:** UnityEngine.SmartStringsModule

```csharp
public SubStringFormatter.SubStringOutOfRangeBehavior OutOfRangeBehavior { get; set; }
```