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Resource extensions allow modifying the form, table, relations, pages, and sub-navigation of any Lunar admin resource. Create a class that extends ResourceExtension and register it with the LunarPanel facade.

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Example

The following example extends the ProductResource to add a custom column to the form and table, a custom relation manager, and additional pages: 
use Filament\Forms\Components\TextInput;
use Filament\Forms\Form;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Table;
use Lunar\Admin\Support\Extending\ResourceExtension;

class MyProductResourceExtension extends ResourceExtension
{
    public function extendForm(Form $form): Form
    {
        return $form->schema([
            ...$form->getComponents(withHidden: true),
            TextInput::make('custom_column'),
        ]);
    }

    public function extendTable(Table $table): Table
    {
        return $table->columns([
            ...$table->getColumns(),
            TextColumn::make('product_code'),
        ]);
    }

    public function getRelations(array $managers): array
    {
        return [
            ...$managers,
            MyCustomProductRelationManager::class,
        ];
    }

    public function extendPages(array $pages): array
    {
        return [
            ...$pages,
            'my-page-route-name' => MyPage::route('/{record}/my-page'),
        ];
    }

    public function extendSubNavigation(array $nav): array
    {
        return [
            ...$nav,
            MyPage::class,
        ];
    }
}

// Typically placed in a service provider...
LunarPanel::extensions([
    \Lunar\Admin\Filament\Resources\ProductResource::class => MyProductResourceExtension::class,
]);

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Available Methods

MethodDescription
extendForm(Form $form)Modify the resource’s form schema.
extendTable(Table $table)Modify the resource’s table columns and configuration.
getRelations(array $managers)Add or modify relation managers for the resource.
extendPages(array $pages)Add custom pages to the resource.
extendSubNavigation(array $nav)Add items to the resource’s sub-navigation.
headerActions(array $actions)Add or modify header actions.
See the Filament documentation for more details on building resources, relation managers, and pages.