PopupWithInitReturnable.xaml

<toolkit:Popup xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
               xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
               xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
               xmlns:vm="clr-namespace:PopupV2NavigationWithParameters"
               x:Class="PopupV2NavigationWithParameters.PopupWithInitReturnable"
               x:DataType="vm:PopupWithInitReturnableVm"
               x:TypeArguments="vm:PopupWithInitReturnable_ReturnData"
               HorizontalOptions="Center"
               VerticalOptions="Center">

        <Grid RowDefinitions="auto,auto,auto"
              WidthRequest="200"
              HeightRequest="200"
                RowSpacing="10">

            <Label Grid.Row="0"
               TextColor="Black"
               Text="{Binding Title, Mode=OneWay}" />

            <Label Grid.Row="1"
                   TextColor="Black"
                    Text="{Binding Message, Mode=OneWay}" />

            <Grid Grid.Row="2"
                    ColumnDefinitions="*,*"
                    ColumnSpacing="5">
            <Button Grid.Column="0"
                    Text="Cancel"
                    Command="{Binding NegativeAnswerCommand, Mode=OneTime}" />
                
            <Button Grid.Column="1"
                        Text="Confirm"
                        Command="{Binding PositiveAnwerCommand, Mode=OneTime}" />
            </Grid>
        </Grid>
</toolkit:Popup>