The triple backticks need to be on a separate line. The way you’ve placed them at the moment your two pieces of code run into eachother.
You’ve rather butchered the Edgent example sketch, adding your own code in all the wrong places.
These two lines…
need to be the very first lines of your sketch, and I’d recommend adding your own #include and variable declarations and object declarations after the #include "BlynkEdgent.h" line of code.
You’ve also created a conflict with the Edgent sketch with this line of code…
Pin D3 (GPIO0) is used as the button pin to clear the stored credentials that you’ve provisioned via the app. Read this for more info…
Pete.