# registerChildFeatureDetector

Install a child-feature detector keyed by React `displayName`. Re-registering
the same displayName replaces the previous detector (HMR-friendly). Called
by feature secondary entries on import.

 Plugin API

```ts
registerChildFeatureDetector(displayName: string, detector: ChildFeatureDetector<TFeatures>): void
```

## Parameters

| Name | Type | Description |
| ---- | ---- | ----------- |
| `displayName` | <code>string</code> |  |
| `detector` | <code><a href="/grid/react/api/types/childfeaturedetector/">ChildFeatureDetector</a>&lt;TFeatures&gt;</code> |  |