The [streamName] part has to be smil file.
http://[wowza-address]:1935/[appName]/smil:yourPlaylist.sml/playlist.m3u8
Look at the multi-bitrate section of the tutorials:
Live
https://www.wowza.com/docs/how-to-set-up-live-streaming-using-an-rtmp-based-encoder
Video on Demand
http://community.wowza.com/t/-/64
Richard