# indexStart

> This property, together with MeshLodRange.indexCount, determines which part of the whole index buffer is used by a particular Mesh LOD. The index start is relative to the sub-mesh holding the LOD. This should be a positive number or zero. Additional Resources: MeshLodRange.indexCount, Mesh.SetLod, Mesh.SetLods.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public uint indexStart { get; set; }
```