ConnectSDK and SwiftUI

I'm trying to call Objective-C methods from SwiftUI. I have a bridging header with a number of imports from the SDK. Now, I'm trying get the ConenctSDK's devicePicker to display, but I'm stuck trying to get that to work. I'm coming back to Mac after a number of years and have just started using SwiftUI. With said, here is my code so far:

import SwiftUI import ConnectSDK

struct ContentView: View {

class ConnectSDKHelper {
    func showDevicePicker () {
        let dm = DiscoveryManager.shared()
        dm?.startDiscovery()
        dm?.devicePicker()
    }
}

var body: some View {
    VStack {
        Image(systemName: "globe")
            .imageScale(.large)
            .foregroundColor(.accentColor)
       
    }
    .padding()
}

}

struct ContentView_Previews: PreviewProvider { static var previews: some View { ContentView() } }'

From googling, I determined that I need a 'help' class, ConnectSDKHelper. Not sure if it's correct, but if it is. I'm not sure how to apply it. All help appreciated.