Script Error

Hello guys
so im making a script that when i press a particular key rigid body enables on a object
Im new to scripting and i wonder if you can help me finish this script

(sorry for my english because im Slovenian :3)

How the hell are we supposed to know what you’re talking about when you don’t post this script you’ve “made”…

GetKeyDown,

Rigidbody.isKinematic,

Rigidbody.isSleeping,

Rigidbody.WakeUp

using UnityEngine;
using System.Collections;

public class RigidbodyTest : MonoBehaviour 
{
	void Update () 
	{
		if(Input.GetKeyDown (KeyCode.R))
			rigidbody.isKinematic = !rigidbody.isKinematic;
		if(!rigidbody.isKinematic && rigidbody.IsSleeping())
			rigidbody.WakeUp();
	}
}