如何从协调器类更新EnvironmentObject变量？

class MyDataModel: ObservableObject {
    @Published var myVariable: String = ""
}

func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
    let myDataModel = MyDataModel()
    
    // 设置为EnvironmentObject
    let contentView = ContentView().environmentObject(myDataModel)
    
    // ...
}

struct ContentView: View {
    @EnvironmentObject var myDataModel: MyDataModel
    
    var body: some View {
        VStack {
            Text(myDataModel.myVariable)
            
            Button(action: {
                // 更新共享变量
                myDataModel.myVariable = "New Value"
            }) {
                Text("Update Variable")
            }
        }
    }
}

struct MyView: View {
    @EnvironmentObject var myDataModel: MyDataModel
    
    var body: some View {
        // ...
    }
}

struct MyView_Previews: PreviewProvider {
    static var previews: some View {
        MyView()
            .environmentObject(MyDataModel())
    }
}

// 在协调器类中更新EnvironmentObject变量
class MyCoordinatorClass: NSObject, SomeDelegate {
    @EnvironmentObject var myDataModel: MyDataModel
    
    func updateVariable() {
        myDataModel.myVariable = "Updated Value"
    }
}