Event.capsLock
var capsLock: bool;
bool capsLock;
capsLock as bool
Description

Is Caps Lock on? (Read Only)

Returns true if Caps Lock is switched on.
	// Creates a Label and prints CapsLock on/off
	// depending on the state of the capslock key.
	function OnGUI() {
		var e : Event = Event.current;
		if (e.capsLock) {
			GUI.Label (Rect (10, 10, 100, 20), "CapsLock on.");
		} else {
			GUI.Label (Rect (10, 10, 100, 20), "CapsLock off.");
		}
	}
using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void OnGUI() {
        Event e = Event.current;
        if (e.capsLock)
            GUI.Label(new Rect(10, 10, 100, 20), "CapsLock on.");
        else
            GUI.Label(new Rect(10, 10, 100, 20), "CapsLock off.");
    }
}
import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def OnGUI() as void:
		e as Event = Event.current
		if e.capsLock:
			GUI.Label(Rect(10, 10, 100, 20), 'CapsLock on.')
		else:
			GUI.Label(Rect(10, 10, 100, 20), 'CapsLock off.')