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

Is this event a keyboard event? (Read Only)

	// Detects any keyboard event
	function OnGUI() {
		var e : Event = Event.current;
		if (e.isKey){
			Debug.Log("Detected a keyboard event!");
		}
	}
using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void OnGUI() {
        Event e = Event.current;
        if (e.isKey)
            Debug.Log("Detected a keyboard event!");
        
    }
}
import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def OnGUI() as void:
		e as Event = Event.current
		if e.isKey:
			Debug.Log('Detected a keyboard event!')