FireStore.getDocument("Users", "") { (document, gotDocument) in
    
            if gotDocument {
                print("Success")
            } else {
                print("Error while getting Document")
            }
        }

    public static func getDocument(_ collectionName: String, _ documentId : String, completion: @escaping(_ documentSnapShot : DocumentSnapshot,_ success : Bool) -> Void) {
        
            SVProgressHUD.show()
            let User = Auth.auth().currentUser
            guard let user = User else {
                SVProgressHUD.dismiss()
                return
            }
     
        var docID = ""
        if documentId == "" {
            docID = user.uid
        } else {
            docID = documentId
        }

            let db = Firestore.firestore()
            db.collection(collectionName).document(docID).getDocument { (document, error) in
                
                if error != nil {
                    print("Error :", error as Any)
                    SVProgressHUD.dismiss()
                    return
                }
                
                
                guard let document = document else {
                    print("Error While Getting Document")
                    SVProgressHUD.dismiss()
                    return
                }
                completion(document, true)
            }
    }