Register Hooks in a custom page

// AgencyPanelProvider.php
class AgencyPanelProvider extends PanelProvider
{
    public function boot(): void
    {
        FilamentView::registerRenderHook(
            'test::test',
            fn (): string => Blade::render('@livewire(\'' . CalendarWidget::class . '\')'),
        );
    }
}

// view.blade.php
{{  \Filament\Support\Facades\FilamentView::renderHook('test::test') }}

    public function fetchEvents(array $fetchInfo): array
    {
        $record = isset($this->record);

        return Event::query()
            ->when($record, function ($query) {
                $query->where('property_id', $this->record->id);
            })
            ->get()
            ->map(function (Event $event) {           
                $title = $event->label->name . ' | ' . $event->property->name;
              
                return [
                    'id' => $event->id,
                    'title' => $title,
                    'start' => $event->start->format('Y-m-d'),
                    'end' => $event->end->format('Y-m-d')           
                ];
            })
            ->toArray();
    }