gistfile1.txt

// inside partial class specific to implementation
const string Assembly = "Xamarin.iOS";
const string NativeHandlerType = "Name of the handler type in ios";


// This will be in shared mobile class

public bool UseCookies {
    get
    {
        if (IsSocketHandler)
        {
            return _socketHandler!.UseCookies;
        }
        else
        {
            return GetUseCookies();
        }

        [DynamicDependency("get_UseCookies", NativeHandlerType, Assembly)]
        bool GetUseCookies() => (bool)InvokeNativeHandlerMethod("get_UseCookies");
    }

    set
    {
        if (IsSocketHandler)
        {
            _socketHandler!.UseCookies = value;
        }
        else
        {
        	SetUseCookies(value);
        }

      	[DynamicDependency ("set_UseCookies", NativeHandlerType, Assembly)]
        SetUseCookies(bool value) => InvokeNativeHandlerMethod("set_UseCookies", value);        
    }    
}