var myKeyListener = new Object();
myKeyListener.onKeyUp = function() {
var myString = myTextfield.text;
var firstLetter = (myString.charAt(0)).toUpperCase();
var remainderLetters = (myString.substring(1)).toLowerCase();
var myNewString = firstLetter+remainderLetters;
myTextfield.text = myNewString;
};
Key.addListener(myKeyListener);

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