code: def get_descendants(self, transitive=False):
          
          result = self._descendants
          if transitive:
              return YagocdUtil.graph_depth_walk(result, lambda v: v.descendants)
          return result
docs: Property for getting descendants (children) of current pipeline.
          It's calculated by :meth:`yagocd.resources.pipeline.PipelineManager#tie_descendants` method during listing of
          all pipelines.
  
          :return: list of :class:`yagocd.resources.pipeline.PipelineEntity`.
          :rtype: list of yagocd.resources.pipeline.PipelineEntity