<FlyoutPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:local="clr-namespace:Peleg.App.View"
             xmlns:VMbinding="clr-namespace:Prueba.App.ViewModel"
             x:Class="Prueba.App.View.SettingFlyoutPage"
             IsPresented="{Binding FlyoutState, Mode=TwoWay}"
             Title="SettingFlyoutPage">
    <FlyoutPage.BindingContext>
        <VMbinding:HomePageViewModel/> <!--En este codigo enlazamos el view model por medio de una variable para luego usarla como acceso a sus propiedades-->
    </FlyoutPage.BindingContext>
    <FlyoutPage.Flyout>
        <local:SidebarPage x:Name="flyoutPage"/>
    </FlyoutPage.Flyout>
    <FlyoutPage.Detail>
        <NavigationPage>
            <x:Arguments>
                <local:HomeDetailPage/>
            </x:Arguments>
        </NavigationPage>
    </FlyoutPage.Detail>
</FlyoutPage>

namespace Prueba.App.ViewModel
{
    public class HomePageViewModel : BaseViewModel
    {
      
        bool flyoutstate;
       
  

        public bool FlyoutState
        {
            get { return flyoutstate; }
            set {
                if (flyoutstate==value)
                    { return; }
                    flyoutstate = value;
                    OnPropertyChanged();
                }
        }

 public ICommand CommandBtnSearch { private set; get; }

 public HomePageViewModel()
        {
            CommandBtnSearch = new Command(
                execute:() =>
                {
                    FlyoutState=true;
                    OnPropertyChanged();
                   
                    
                },
                canExecute:() =>
                {
                    return !FlyoutState;
                });
           }

 <ImageButton.GestureRecognizers>
                        <TapGestureRecognizer Command="{Binding CommandBtnSearch}"/>                        
</ImageButton.GestureRecognizers>