# MapReader A container view that defines its contents as a function of information about the first contained map. ``` @MainActor @preconcurrency struct MapReader where Content : View ``` ## Overview The map reader’s content builder receives a [`MapProxy`](/documentation/MapKit/MapProxy) instance. You can use this instance to get the information you’ll need to convert between a [`MapCamera`](/documentation/MapKit/MapCamera) and a [`MKMapRect`](/documentation/MapKit/MKMapRect) or [`MKCoordinateRegion`](/documentation/MapKit/MKCoordinateRegion). ## Topics ### Creating a map reader [`init(content:)`](/documentation/MapKit/MapReader/init(content:)) Creates an instance that allows view content to reference information about a contained map. ### Managing Look Around view presentation ### Managing map controls ### Managing the camera ### Managing feature selection ### Setting the namespace Identifier ### Setting the map style ## Relationships ### Conforms To [`SendableMetatype`](/documentation/Swift/SendableMetatype) [`Sendable`](/documentation/Swift/Sendable) [`View`](/documentation/SwiftUI/View) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)