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ffd4f991f5
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@ -267,7 +267,7 @@ RCT_EXPORT_MODULE()
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}
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```
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You can see we're setting the manager as the delegate for every view that it vends, then in the delegate method `-mapView:regionDidChangeAnimated:` the region is combined with the `reactTag` target to make an event that is dispatched to the corresponding React component instance in your application via `sendInputEventWithName:body:`. The event name `@"topChange"` maps to the `onChange` callback prop in JavaScript (mappings are [here](https://github.com/facebook/react-native/blob/master/React/Modules/RCTUIManager.m#L1165)). This callback is invoked with the raw event, which we typically process in the wrapper component to make a simpler API:
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You can see we're setting the manager as the delegate for every view that it vends, then in the delegate method `-mapView:regionDidChangeAnimated:` the region is combined with the `reactTag` target to make an event that is dispatched to the corresponding React component instance in your application via `sendInputEventWithName:body:`. The event name `@"topChange"` maps to the `onChange` callback prop in JavaScript. This callback is invoked with the raw event, which we typically process in the wrapper component to make a simpler API:
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```javascript
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// MapView.js
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