def __init__(self, attachment_name_property=None, attachment_type=None):
self.__attachment_name = None<EOL>self.__attachment_name_property = attachment_name_property<EOL>self.__attachment_type = self._gk(attachment_type)<EOL>
Defines the functionality for an object to be attachable.
        Any object that inherits from this class will be attachable
        (if the underlying api allows that)