# ValueChanged

> Raised when Variable<T>.Value changes.

## Definition

* **Type:** Event
* **Namespace:** [Unity.SmartStrings.PersistentVariables](/engine/6000.7/script-reference/unity/smartstrings/persistentvariables.md)
* **Assembly:** UnityEngine.SmartStringsModule

```csharp
public event Action<IVariable> ValueChanged
```