// Searchs for a key on the hash table

var h : Hashtable;
h = new Hashtable();
h.Add("1","one");
h.Add("2","two");
if(h.ContainsKey("1")) {
Debug.Log("Key '1', has been found!");
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
public Hashtable h;
void Awake() {
h = new Hashtable();
h.Add("1", "one");
h.Add("2", "two");
if (h.ContainsKey("1"))
Debug.Log("Key '1', has been found!");

}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

public h as Hashtable

def Awake():
h = Hashtable()
h.Add('1', 'one')
h.Add('2', 'two')
if h.ContainsKey('1'):
Debug.Log('Key \'1\', has been found!')