How to get the key from the value in firebase

Question

How do I get the key \"-KLpcURDV68BcbAvlPFy\" when I know the field \"name\" contains \"efg\" in the following structure in Firebase.

clubs
    -KLpcURDV68Bc         


        

Answer 1

If this key (asdasdasddsad) also had the name:"efg" will club key will become asdasdasddsad and KLpcURDV68BcbAvlPFy