I try to get the amount of rows in my Firebase. But is says cannot find counter in scope on line return counter. extension FourthTabFirstView: UITableViewDataSource { func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { let ref = database.child("placeID") ref.observe(.value, with: { (snapshot: DataSnapshot!) in print(snapshot.childrenCount) let counter = snapshot.childrenCount }) return counter… Read More Returning counting result from Firebase Query