API reference specifies iso_country and number_type as available query parameters for [Search for Purchasable Phone Numbers](https://developer.flowroute.com/api/numbers/v2.0/search-for-purchasable-phone-numbers/) However it is not available in this libraries [search_for_purchasable_phone_numbers](https://github.com/flowroute/flowroute-sdk-v3-python/blob/master/flowroutenumbersandmessaging/controllers/numbers_controller.py#L125) function.
API reference specifies iso_country and number_type as available query parameters for Search for Purchasable Phone Numbers
However it is not available in this libraries search_for_purchasable_phone_numbers function.