Here is a Medium Blog to show the MKMapViewDelegate methods to show/make a pin annotation callout in SwiftUI https://medium.com/flawless-app-stories/mapkit-in-swiftui-c0cc2b07c28a Please let me know if that's what you were looking for!

For those who are lazy to type just like me: let attractions: [Attraction] = [ .init(name: "Eiffel Tower", latitude: 48.858605, longitude: 2.2946), .init(name: "Champs-Elysees", latitude: 48.866867, longitude: 2.311780), .init(name: "Louvre Museum", latitude: 48.860288, longitude: 2.337789) ]