Event.keyCode

Description

The raw key code for keyboard events.

Used in EventType.KeyDown and EventType.KeyUp events; this returns KeyCode value that matches the physical keyboard key. Use this for handling cursor keys, function keys etc.

See Also: Event.character.

// Detects keys pressed and prints their keycode
function OnGUI() {
    var e : Event = Event.current;
    if (e.isKey) {
        Debug.Log("Detected key code: " + e.keyCode);
    }
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void OnGUI() {
        Event e = Event.current;
        if (e.isKey)
            Debug.Log("Detected key code: " + e.keyCode);
        
    }
}