# Configure culling with the CullingGroup API

> Integrate your own systems into Unity's culling and level of detail (LOD) pipelines.

Resources for integrating your own systems into Unity's culling and level of detail (LOD) pipelines.

| **Page**                                                                                                        | **Description**                                                                                                                        |
| --------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| [CullingGroup API](/engine/6000.7/manual/cameras/occlusion-culling/culling-group-api/api.md)                    | Learn about using the CullingGroup API to create culling groups, for example to simulate a crowd of people or build a particle system. |
| [Create a Culling Group](/engine/6000.7/manual/cameras/occlusion-culling/culling-group-api/getstarted.md)       | Create and populate an array of bounding spheres that contain scene objects.                                                           |
| [Get culling results](/engine/6000.7/manual/cameras/occlusion-culling/culling-group-api/get-culling-results.md) | Check the visibility and distance of scene objects.                                                                                    |