TableViewCell（セクション分けした）にTextFieldの内容を反映させたい

現在筋トレアプリを作成中です。

TableViewを用いてセクション分けし、

追加➕ボタン　→　部位と種目を書き込む（部位はPickerViewで選択）　→　登録ボタン　→　セクションに振り分けてセルに反映させたいです

イメージはこの通りです↓

ViewController
1import UIKit
2
3class ViewController: UIViewController,UITableViewDelegate,UITableViewDataSource {
4    
5    func numberOfSections(in tableView: UITableView) -> Int {
6           return mySections.count
7       }
8
9       func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
10        return twoDimArray[Int(section)].count
11    
12        
13       }
14
15       func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
16           return mySections[Int(section)]
17       }
18
19   func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
20           let cell = tableView.dequeueReusableCell(withIdentifier: "SampleCell", for: indexPath)
21           cell.textLabel?.text = twoDimArray[indexPath.section][Int(indexPath.row)]
22           return cell
23       }
24
25        func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
26           selectedBui = mySections[indexPath.section]
27           selectedSyumoku = twoDimArray[indexPath.section][indexPath.row]
28           // Segueを使った画面遷移を行う関数
29           performSegue(withIdentifier: "Segue", sender: nil)
30            //選択後の背景色を消す
31            tableView.deselectRow(at: indexPath, animated: true)
32       }
33    
34    
35       var mySections = [String]()
36       var twoDimArray = [[String]]()
37       var selectedBui = ""
38       var selectedSyumoku = ""
39       var cellcount = 0
40    
41    
42    @IBOutlet weak var tableView: UITableView!
43    
44    
45    
46    override func viewDidLoad() {
47        super.viewDidLoad()
48        
49        mySections = ["肩","胸","背中","腕","脚","腹"]
50        
51        for _ in 0 ... 5 {
52                   twoDimArray.append([])
53        }
54            twoDimArray[0] = ["ショルダープレス","サイドレイズ"]
55            twoDimArray[1] = ["ダンベルプレス","ダンベルフライ"]
56            twoDimArray[2] = ["オーバーロー","ラットプル"]
57            twoDimArray[3] = ["ハンマーカール","スカルクラッシャー"]
58            twoDimArray[4] = ["レッグプレス","レッグエクステンション"]
59            twoDimArray[5] = ["レッグレイズ"]
60            
61    }
62    
63  
64      func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
65          return true
66      }
67      
68      //スワイプしたセルを削除
69         func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
70             if editingStyle == UITableViewCell.EditingStyle.delete {
71                twoDimArray.remove(at: indexPath.row)
72
73                 tableView.deleteRows(at: [indexPath as IndexPath], with: UITableView.RowAnimation.automatic)
74             }
75          
76}
77}
78

PlusMenuViewController
1import UIKit
2
3
4class PlusMenuViewController: UIViewController,UIPickerViewDelegate,UIPickerViewDataSource{
5    func numberOfComponents(in pickerView: UIPickerView) -> Int {
6        return 1
7    }
8    
9    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
10        return 6
11    }
12   
13    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
14            return sectionTitles[row]
15        }
16
17        func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
18            buiTextField.text = sectionTitles[row]
19        }
20    
21    @IBAction func Registration(_ sender: Any) {
22       
23       
24        _ = self.navigationController?.popViewController(animated: true)
25        
26        print("kko")
27    }
28    
29    
30    var twoDimArray = [[String]]()
31    
32    @IBOutlet weak var TableView: UITableView!
33    
34    @IBOutlet weak var buiTextField: UITextField!
35    @IBOutlet weak var syumokuTextField: UITextField!
36    var pickerView = UIPickerView()
37    var sectionTitles = ["肩", "胸","背中","腕","足","腹"]
38    
39    override func viewDidLoad() {
40        super.viewDidLoad()
41
42        createPickerView()
43    }
44    
45    func createPickerView() {
46            pickerView.delegate = self
47           buiTextField.inputView = pickerView
48            
49        }
50
51        @objc func donePicker() {
52            buiTextField.endEditing(true)
53        }
54
55        override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
56            buiTextField.endEditing(true)
57        }
58    
59   
60      override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
61        syumokuTextField.endEditing(true)
62    }
63}
64
65
66