Custom FileUpload action

public function form(Form $form): Form
    {
        return $form
            ->schema([               
                FileUpload::make('file')
                    ->label(__('File'))
                    ->columnSpanFull()
                    ->required(),
                TextInput::make('title')
                    ->label(__('Title'))
                    ->columnSpanFull(),
                Textarea::make('description')
                    ->label(__('Descritption'))
                    ->columnSpanFull(),
            ]);
    }

 Tables\Actions\CreateAction::make()
                    ->slideOver()
                    ->action(function ($data) {
                        // how to access to file name, ext, ....
                        dd($data['file']);
                       
                    }),