# BlockOnImport

> Disable asynchronous importing, and wait for the SubScene to be fully converted (only relevant in-Editor) and its header loaded.

## Definition

* **Type:** Field
* **Namespace:** [Unity.Entities](/engine/7000.0/script-reference/unity/entities.md)
* **Assembly:** UnityEngine.EntitiesModule

```csharp
BlockOnImport = 2
```

### Remarks

For fully synchronous scene loading, both [SceneLoadFlags.BlockOnImport](/engine/7000.0/script-reference/unity/entities/sceneloadflags/blockonimport.md) and [SceneLoadFlags.BlockOnStreamIn](/engine/7000.0/script-reference/unity/entities/sceneloadflags/blockonstreamin.md) must be set.