func getEmployees() {
   let employees =  Database.database().reference().child("Businesses").child(self.otherUser?["uid"] as! String).child("registered_employees").observe(DataEventType.childAdded, with: { (snapshot) in
        if snapshot.exists() {
            let employess = snapshot.childSnapshot(forPath: "uid")
            print(employess)
        } else {
            print("didnt call right values")
        }
    })
}

let userMessageRef = Database.database().reference().child("user-messages").child(fromID).child(toID)
        let messageId = childRef.key
        userMessageRef.updateChildValues([messageId!:1])