peliprint/blueprint/defaults/extensions/route.default

Route::group(['prefix' => 'extensions/␀id␀'], function () {
    Route::get('/', [Admin\Extensions\␀id␀\␀id␀ExtensionController::class, 'index'])->name('admin.extensions.␀id␀.index');
    Route::patch('/', [Admin\Extensions\␀id␀\␀id␀ExtensionController::class, 'update']);
});