Custom Select

Select::make('status')
    ->searchable()
    ->options([
        'In Process' => [
            'draft' => 'Draft',
            'reviewing' => 'Reviewing',
        ],
        'Reviewed' => [
            'published' => 'Published',
            'rejected' => 'Rejected',
        ],
    ])

Select::make('attribute')
    ->multiple()
    ->getSearchResultsUsing(fn (string $search): Collection =>
        collect(Attribute::where('name', 'like', "%{$search}%")
                ->orWhere('group', 'like', "%{$search}%")
                ->limit(50)->get()
        )->groupBy('group')->map(fn($items) => $items->pluck('name')->all())
    )