Header actions must be an instance of Filament\Actions\Action, or Filament\Actions\ActionGroup.

Header actions must be an instance of Filament\Actions\Action, or Filament\Actions\ActionGroup.

   protected function getHeaderActions(): array
    {

        return [
            ActionGroup::make([
                Action::make()
                    ->name('view')
                    ->icon('heroicon-o-arrow-down-tray')
                    ->url(route('exam.pdf.download', $this->record))
                    ->openUrlInNewTab(),
                DeleteAction::make(),
            ]) 
        ];
    }

   protected function getHeaderActions(): array
    {

        return [
            ActionGroup::make([
                Action::make()
                    ->name('view')
                    ->icon('heroicon-o-arrow-down-tray')
                    ->url(route('exam.pdf.download', $this->record))
                    ->openUrlInNewTab(),
                DeleteAction::make(),
            ]) 
        ];
    }