Debug.Break

Pauses the editor.

This is useful when you want to check certain values on the inspector and you are not able to pause it manually.

JavaScripts

Debug.Break();

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Awake() {
Debug.Break();
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Awake():
Debug.Break()