code: def get_classifications(subcategory_key):
      
      classifications = definition(subcategory_key)['classifications']
      return sorted(classifications, key=lambda k: k['key'])
docs: Get hazard or exposure classifications.
  
      :param subcategory_key: The hazard or exposure key
      :type subcategory_key: str
  
      :returns: List of hazard or exposure classifications
      :rtype: list