Initial view controller on storyboard

Question

I had two view controllers and I deleted the one that had the Designated entry point. How do I get it back? I have tried creating a new controller but what I'm asking I think is much simpler.

Answer 1

In the storyboard, each view controller has 3 buttons at the top. Click the left button, looking like a yellow circle with a white square inside.

Then in the attributes inspector you can check the option that says:

Is Initial View Controller