public async Task GetDataAsync()
    {
        var DataAsync = await _todoService.GetData(doItem.id, "4000");

        try
        {
            var doPin = new Pin
            {
                Type = PinType.Place,
                Position = new Position(lats, lons),
                Label = Title,
            };

            Map.Pins.Add(doPin);

            Map.PinClicked += (sender, args) =>
            {
                IsPinVisible = true;

                NewAddress = Address + todoItem?.dist;

            };
            Map.MapClicked += (sender, args) =>
            {
                IsPinVisible = false;
            };

            foreach (var i in parkDataAsync)
            {
                var todoPin = new Pin
                {
                    Type = PinType.Place,
                    Position = new Position(i.lat, i.lon),
                    Label = i.name
                };

                Map.Pins.Add(todoPin);


                Map.MoveToRegion(MapSpan.FromCenterAndRadius(new Position(eventlat, eventlon), Distance.FromKilometers(1)));

            }
        }
        catch (Exception err)
        {
            Debug.WriteLine("Error: {0}", err);
        }
    }

private TodoItem _todoItem;
    public TodoItem todoItem
    {
        get => _todoItem;
        set
        {
            SetProperty(ref _todoItem, value);
        }
    }

NewAddress = Address + _parkItem?.dist;

`_parkItem?.dist`

foreach (var i in parkDataAsync)

//NewAddress = Address;// + ___parkItem.Add(parktItem.dist);// parkDataAsync.Add(parktItem.dist);