How to create a button click event handler

1. Open story board.
2. Drag a button (Round Rect Button) on the screen, the default text would be "Button". Let it be.
3. Open ViewController.h and add the following code in the @interface section:
   
   
   -(IBAction)btnClicked:(UIButton *)sender;
   
   
4. Open ViewController.m and add the following code in the @implementation section:
   
   
   -(IBAction) btnClicked:(UIButton *)sender
   {
       //Write your event handler code here    
   }
   

   
   
5. Open story board.
6. Right click-drag from the button to the yellow View Controller icon.
   
   
7. A popup will appear with some choices, at the end you will find btnClicked, select it. 
8. Done