# compareFunction

> How should depth testing be performed.

## Definition

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

```csharp
public CompareFunction compareFunction { get; set; }
```

### Remarks

Additional Resources: [ShaderLab commands: ZTest](/engine/6000.0/manual/materials-and-shaders/shaders/reference/sl-reference/sl-commands/sl-ztest.md).