widget data filtering form for custom pages doesn't appear.

use Filament\Forms\Components\Select;
use Filament\Forms\Components\TextInput;
use Filament\Pages\Dashboard\Concerns\HasFiltersForm;
use Filament\Schemas\Schema;
use Filament\Schemas\Components\Section;
class Peramalan extends Page 
{
    //...
    use HasFiltersForm;

    public function filtersForm(Schema $schema): Schema
    {

        return $schema
            ->components([
                Section::make()
                    ->schema([
                        Select::make('produk_id')
                            ->label('Produk')
                            ->options(Produk::pluck('nama_produk', 'id'))
                            ->searchable()
                            ->reactive()
                            ->preload(),
                        TextInput::make('periode')
                            ->label('Periode Ramalan (bulan)')
                            ->numeric()
                            ->reactive()
                            ->default(3)
                            ->suffix('bulan'),
                    ])
                    ->columns(1)
                    ->columnSpanFull(),
            ]);
    }