# SetBit(int)

> Set (1) the specified bit.

## Definition

* **Type:** Method
* **Namespace:** [Unity.U2D.Physics](/engine/6000.5/script-reference/unity/u2d/physics.md)
* **Assembly:** UnityEngine.PhysicsCore2DModule

```csharp
public void SetBit(int bitIndex)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The bit index in the range \[0, 63].