relations table get data

   Select::make('supplier_id')
                    ->label('Supplier')
                    ->relationship('supplier', 'name')
                    ->searchable()
                    ->required()
                    ->preload()
                    
                    ]),
                Select::make('brand_id')
                    ->label('Brand')
                    ->relationship('brand', 'name')
                    ->searchable()
                    ->required()
                    ->preload()
                    ->options(function () {
                        $supplierBrandIds = Supplier::pluck('brand_id')->toArray();
                        return Brand::whereIn('id', $supplierBrandIds)->get()->pluck('name', 'id');
                    })

                    ->createOptionForm([
                        TextInput::make('name')
                            ->required()
                            ->label('New Brand'),
                    ]),