'Get a specific tag key by ID
:param id: ID of the tag key you want (required)
:type  id: ``str``
:rtype: :class:`DimensionDataTagKey`'

def ex_get_tag_key_by_id(self, id):

    tag_key = self.connection.request_with_orgId_api_2(('tag/tagKey/%s' % id)).object
    return self._to_tag_key(tag_key)
