How to pass extra parameters to controller from Laravel route

I'm trying to handle basic validation of my API calls in the Laravel's routes. Here is what I want to achieve:

Route::group(['prefix' => 'api/v1/properties/'], function () {
     Route::get('purchased', 'PropertiesController@getPropertyByProgressStatus', function () {
       //pass variable x = 1 to the controller
     });

     Route::get('waiting', 'PropertiesController@getPropertyByProgressStatus', function () {
       //pass variable x = 2 to the controller
});

});

Long story short, depending on the segment of the URI after api/v1/properties/ I want to pass a different parameter to the controller. Is there a way to do that?

via Chebli Mohamed