mDatabaseLinked.orderByChild("Email").equalTo(email).addChildEventListener(new ChildEventListener() {
@Override
public void onChildAdded(DataSnapshot dataSnapshot, String s) {
String name = dataSnapshot.child("Name").getValue(String.class);
Toast.makeText(getActivity(), "Заявка на рассмотрении, " + name, Toast.LENGTH_LONG).show();
}
});