Create a Firebase Connector

I am designing an app. It is not yet hosted on Web, Android and iOS.
In such case, How do I setup the Google Firebase Connector

@JOHN_WORSHAM

Thank You @Mari for this useful tutorial.

@Mari I tried used the above tutorial and set a data variable which is a single record. It shows that the record but I am unable to read the value. Any idea why?

Here is the data variable

Here is the successful response