How to code in NodeMCU connected to blynk

Ive connected to blynk and ran my test program successfully.

Now I want to combine my own code with

pls help…

Here you go

Thanks…ill look into it.
One more thing… I’m not able to access “config” page in Admin UI of my Local Blynk Server.
It says…“State Change error: Undefined”
Pls can you help me solve this…

Sure, search for those terms on this site.