# subMeshStartIndex

> Index of the first sub-mesh to use from the Mesh associated with this MeshRenderer (Read Only).

## Definition

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

```csharp
public int subMeshStartIndex { get; }
```

### Remarks

This value is 0 except when using [Mesh.CombineMeshes](/engine/6000.5/script-reference/unityengine/mesh/combinemeshes.md) or static batching.