// Searchs for a value on the hash table

var h : Hashtable;
h = new Hashtable();
h.Add(1,"one");
h.Add(2,"two");
h.Add(3,"two");
if(h.Contains(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");
h.Add(3, "two");
if (h.Contains(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')
h.Add(3, 'two')
if h.Contains(1):
Debug.Log('Key \'1\', has been found!')