Github user Leemoonsoo commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/369#issuecomment-152445699 I think it would be better if API implementation uses [NoteInfo](https://github.com/apache/incubator-zeppelin/blob/master/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/NoteInfo.java) class to generate list, and manage to share the same logic building list with Websocket API [here](https://github.com/apache/incubator-zeppelin/blob/master/zeppelin-server/src/main/java/org/apache/zeppelin/socket/NotebookServer.java#L280)
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