Converts object into a dictionary.

def to_dict(self):
        """
        Converts object into a dictionary.
        """
        data = {
            'id': self.id,
            'referenceId': self.reference_id,
            'type': self.type,
            'displayName': self.display_name,
            'remoteUrl': self.remote_url}
        for key in data.keys():
            if data[key] == None:
                data.pop(key)
        return data