# Sandbox.Terrain.SyncCPUTexture

```csharp
void SyncCPUTexture(SyncFlags flags, RectInt region)
```

Downloads dirty regions from the GPU texture maps onto the CPU, updating collider data and making changes saveable.
This is used from the editor after modifying.

### Parameters

- `flags` (`SyncFlags`)
- `region` (`RectInt`)

Declared in [Sandbox.Terrain](/api/Sandbox.Terrain).
Assembly: `Sandbox.Engine`.