# subMeshIndex

> Sub-Mesh index of the Mesh.

## Definition

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

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

### Remarks

This property holds the index to a submesh inside a Mesh object that is to be combined. The property is an integer value of 0 by default.

Additional Resources: [Mesh.CombineMeshes](/engine/6000.0/script-reference/unityengine/mesh/combinemeshes.md), [CombineInstance.mesh](/engine/6000.0/script-reference/unityengine/combineinstance/mesh.md), [CombineInstance.transform](/engine/6000.0/script-reference/unityengine/combineinstance/transform.md).