# FieldMouseDragger(IValueField<T>)

> FieldMouseDragger's constructor.

## Definition

* **Type:** Constructor
* **Namespace:** [UnityEngine.UIElements](/engine/6000.6/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public FieldMouseDragger(IValueField<T> drivenField)
```

### Parameters

**** (\[IValueField\<T>]\(/engine/6000.6/script-reference/unityengine/uielements/ivaluefield1)): The field.