Xamarin form : How to select multiple files form filepicker

i have developed to pick file form mobile, but need to pickup multpple file here is my code

try
{
FileData fileData = await CrossFilePicker.Current.PickFile();
if (fileData == null)
return; // user canceled file picking

        string fileName = fileData.FileName;
        string contents = System.Text.Encoding.UTF8.GetString(fileData.DataArray);

        System.Console.WriteLine("File name chosen: " + fileName);
        System.Console.WriteLine("File data: " + contents);
    }
    catch (Exception ex)
    {
        System.Console.WriteLine("Exception choosing file: " + ex.ToString());
    }

need to know how i can select multiple files