I create simple \"ParseStarterProject\" as default of parse.com project. It works. I send notification from one device to other device successfully via setchann
As Parse tutorial directs, you ca use JSONObject to set data and you can put whatever you want. Then when you receive Push notification you can have a access to read the previously prepared JSONObject. Please look at the Android tutorial https://parse.com/docs/push_guide#options/Android.
Hope this helps, Regards.