Beginners question about input processing

Hi all,

I find the input processing troublesome to setup. Guess I'm stupid, but I need an helping hand here!

I'm looking for a result similar to the 'My electric' section here
- Power now and a graph showing previous days kWh usage.
https://github.com/openenergymonitor/documentation/blob/master/Applicati...

I've setup an blinking led sensor on my power meter, which gives me 1000 imp kWh. The count is being pushed to emoncms.org frequently. Currently several times per minute.
Looking at my screenshot total kW/h recored is calculated at line 5 - 'Node:0: node:0:powermeter kWh to Power'

If someone could guide me towards my goal for power consumption and this graph I would be more than happy ?

Thanks!