# inFixedTimeStep

> Returns true if called inside a fixed time step callback (like MonoBehaviour's MonoBehaviour.FixedUpdate() ), otherwise returns false (Read Only).

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public static bool inFixedTimeStep { get; }
```