title: bind variables from storyboard and controller without using the drag and drop
body: <p>Is possible bind variables from storyboard with controller without using the drag and drop elements? </p>
  
  <p>I don't want to use this:</p>
  
  <p><img src="https://i.stack.imgur.com/eK5ka.png" alt="variable binding by dragging"></p>
  
  <p>PD: i want to set custom names to the elements for easy binding</p>