Add Grid to ItemTemplate in Xamarin.Forms - xaml

Question

In a Xamarin Forms(MAUI) project I would like to add a Grid with some prices inside another Grid placed in a CollectionView
The Grid is like below and I have created a function which returns a Grid. This works fine in an ordinary stacklayout : where I create the grid and add it as a Child of PriceData.
How do i accomplish that in a ItemTemplate of a CollectionView at runtime placing the grid where the placeholder RIGHTHERE I WANT TO ADD A GRID are
<CollectionView.ItemTemplate>
<DataTemplate>
<Grid Padding="5" Margin="20,20,20,20" >
<Grid.GestureRecognizers>
<TapGestureRecognizer Command="{Binding Path=BindingContext.GotoDetailPage, Source={x:Reference Page}}" CommandParameter="{Binding .}" />
</Grid.GestureRecognizers>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="2*"></ColumnDefinition>
<ColumnDefinition Width="5*"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Image Grid.Column="0" Grid.Row="0" HorizontalOptions="CenterAndExpand" VerticalOptions="CenterAndExpand" Aspect="Fill" WidthRequest="60" HeightRequest="60" Source="{Binding .,Converter={StaticResource ImageConverter}}"></Image>
<StackLayout Grid.Column="1" Grid.Row="0">
<Label Text="{Binding Title}" />
<Label Text="{Binding BodyText}" />
<<RIGHTHERE I WANT TO ADD A GRID>>
</StackLayout>
<BoxView Grid.Row="1" Grid.ColumnSpan="2" HeightRequest="1" BackgroundColor="LightGray"/>
</Grid>
</DataTemplate>
</CollectionView.ItemTemplate>

Answer 1

Sorry if the question was unprecise.
The issue was to manipulate with a Grid placed in a CollectionView.ItemTemplate which was bound to a datasource.
I solved it by creating a ContentView with a StackLayout.
The model was passed as a BindableProperty and
then on propertyChanged I created a Grid and added it as a child of the StackLayout