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# makeGeometryModifier(descriptor:)

Synchronous variant of [`makeGeometryModifier(descriptor:)`](/documentation/RealityKit/LowLevelRenderContext/makeGeometryModifier(descriptor:)-307ec). Blocks the current thread until compilation completes.

```
func makeGeometryModifier(descriptor: LowLevelMaterialResource.GeometryModifier.Descriptor) throws -> sending LowLevelMaterialResource.GeometryModifier
```

---

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