Firebase data validation

[onet]

First of all, I really appreciate and thank’'s full for your help.
My question is:
is it possible to use 2 firebase databases in 1 application?

In this application I use 2 firebase databases.
firebase1 is used to store data.
firebase 2 is used for data validation.
in this case I have no idea. I’ve been looking for some tutorials from various sources. But I got nothing
Here is my block and firebase database.
Thank You

[Elizabeth_Garcia (Franklin Lemus)]

Why do you need two databases? I would say you can do it, there is no problem with that. Just add two Firebase components obviously with the corresponding Apikey,source,group of each database.