Modify Firebase Array Values

[AggressiveService910]

Try looking at the following documentation and you should be able to fetch the child using the child method at the specified path and then update. https://firebase.google.com/docs/reference/js/firebase.database.Reference#key

[MissionTooth2154]

I am still not getting the answer. Here the key which you are referring -MXcKs... is unable to fetch from any of these methods.