Renaming a child within code.

How would I rename a child of an object within a code?

Quick Example →

var myKid : GameObject ; //drag a child here
var newKidName : String = "Whatever" ; //set new name in inspector
Ā 
function Update(){
   if(Input.GetKeyDown(KeyCode.I))
        myKid.name = newKidName ;
}

Press key ā€œIā€ and it will rename it.