# backSortingLayerID

> Unique ID of the sorting layer defining the end of the custom range.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.SpriteMaskModule

```csharp
public int backSortingLayerID { get; set; }
```

### Remarks

Sprites sorted after this sorting layer will not be masked.