How to add multiple resource to Schedule (SfSchedule) in Xamarin.Forms

    public class Meeting
    {
        public string EventName { get; set; }
        public int Capacity { get; set; }
        public DateTime From { get; set; }
        public DateTime To { get; set; }
        public Color Color { get; set; }
        public double MinimumHeight { get; set; }
        public bool IsAllDay { get; set; }
        public ObservableCollection<object> Resources { get; set; }
    }
    public class Employees : INotifyPropertyChanged
    {
        private string name;
        private object id;
        private Color color;
        public string Name
        {
            get { return name; }
            set
            {
                name = value;
                this.OnPropertyChanged("Name");
            }
        }
        public object ID
        {
            get { return id; }
            set
            {
                id = value;
                this.OnPropertyChanged("ID");
            }
        }
 
        public Color Color
        {
            get { return color; }
            set
            {
                color = value;
                this.OnPropertyChanged("Color");
            }
        }
 
        public event PropertyChangedEventHandler PropertyChanged;
 
        protected virtual void OnPropertyChanged(string propertyName)
        {
            if (this.PropertyChanged != null)
            {
                this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
            }
        }
    }

<?xml version="1.0" encoding="UTF-8"?>
<Button xmlns="http://xamarin.com/schemas/2014/forms" 
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="Schedule_MultipleResource.WithResource"
        Text="{Binding Name}"
        TextColor="White"
        BackgroundColor="{Binding Color}">
</Button>

        <schedule:SfSchedule
                x:Name="Schedule"
                HeaderHeight="50"
                ViewHeaderHeight="40"
                HorizontalOptions="FillAndExpand"
                ScheduleView="TimelineView"
                VerticalOptions="FillAndExpand"
                DataSource="{Binding ListOfMeeting}" 
                SelectedResources="{Binding SelectedResources}"
                ScheduleResources="{Binding Resources}"
            TimeInterval="720"
            ShowResourceView="True"
            ResourceItemTemplate="{Binding WithResource}"
            ResourceViewMode="Absolute">
            <schedule:SfSchedule.ViewHeaderStyle>
                <schedule:ViewHeaderStyle DateFontSize="20" DayFontSize="20">
                </schedule:ViewHeaderStyle>
            </schedule:SfSchedule.ViewHeaderStyle>
            <schedule:SfSchedule.TimelineViewSettings>
                <schedule:TimelineViewSettings DaysCount="7">
                    <schedule:TimelineViewSettings.LabelSettings>
                        <schedule:TimelineLabelSettings>
                            <schedule:TimelineLabelSettings.DateFormat>
                                <OnPlatform x:TypeArguments="x:String">
                                    <On Platform="UWP" Value="%d ddd"></On>
                                    <On Platform="Android" Value="d EEE"></On>
                                    <On Platform="iOS" Value="d EEE"></On>
                                    <On Platform="WPF" Value="%d ddd"></On>
                                </OnPlatform>
                            </schedule:TimelineLabelSettings.DateFormat>
                        </schedule:TimelineLabelSettings>
                    </schedule:TimelineViewSettings.LabelSettings>
                </schedule:TimelineViewSettings>
            </schedule:SfSchedule.TimelineViewSettings>
            <schedule:SfSchedule.AppointmentMapping>
                <schedule:ScheduleAppointmentMapping
                        ColorMapping="Color"
                        EndTimeMapping="To"
                        IsAllDayMapping="IsAllDay"
                        StartTimeMapping="From"
                        SubjectMapping="EventName"
                        ResourceIdsMapping="Resources"/>
            </schedule:SfSchedule.AppointmentMapping>
            <schedule:SfSchedule.ResourceMapping>
            <schedule:SfSchedule.ResourceViewSettings>
                <schedule:ResourceViewSettings SelectionMode ="Multiple"/>
            </schedule:SfSchedule.ResourceViewSettings>
            <schedule:SfSchedule.BindingContext>
                <local:ScheduleViewModel/>
            </schedule:SfSchedule.BindingContext>
        </schedule:SfSchedule>

            <schedule:SfSchedule.ResourceMapping>
                <schedule:ResourceMapping Name="Name"
                                            Id="ID"
                                            Color="Color"/>
            </schedule:SfSchedule.ResourceMapping>