# operator !(bool4)

> Returns the result of a componentwise not operation on a bool4 vector.

## Definition

* **Type:** Operator
* **Namespace:** [Unity.Mathematics](/engine/6000.7/script-reference/unity/mathematics.md)
* **Assembly:** UnityEngine.MathematicsModule

```csharp
public static bool4 operator !(bool4 val)
```

### Parameters

**** (\[bool4]\(/engine/6000.7/script-reference/unity/mathematics/bool4)): Value to use when computing the componentwise not.

### Returns

| Type                                                                | Description                            |
| ------------------------------------------------------------------- | -------------------------------------- |
| [bool4](/engine/6000.7/script-reference/unity/mathematics/bool4.md) | bool4 result of the componentwise not. |