I have a function on my Core and I have just tested it successfully from the CLI by calling
spark call *Core_name *function_name
I created a Recipe in IFTTT with the
coming_home as the Function Input. This is what I have as an argument passed in via a web page I made which also works successfully. Testing the Recipe from IFTTT did not trigger my Core.
I guess maybe I am unclear as to what should be entered in the Function Input box within IFTTT.