title: How to call an id sender function from another function?
body: <p>In the following code example, I want to be able to call backgroundTap from another function btnSubmitLoginPassword. What parameter should I pass?</p>
  
  <pre><code>-(IBAction) backgroundTap:(id)sender{
  
      [userName resignFirstResponder];
      [password resignFirstResponder];
  
  }
  
  -(IBAction) btnSubmitLoginPassword{
  
      [self backGroundTap:?????????]
  
  
      [self validate];
  
  
  }
  </code></pre>