Add action buttons to custom page with HasForms

class Edit extends Page implements HasForms, HasFormActions
{
    use InteractsWithForms;

// ... 

    public function getCachedFormAction(string $name): ?\Filament\pages\Actions\Action
    {
        if ($name === 'submit') {
            return \Filament\pages\Actions\Action::make('submit')
                ->action('submit')
                ->icon('heroicon-s-save');
        }
            return null;
        }
    }

<x-filament::page>
   
        {{ $this->form }}

</x-filament::page>