Assets/scripts/fbLogin.cs(60,52): error CS1501: No overload for method `API' takes `3' arguments

i am trying to show facebook profile picture and username to the logged in user in my android game but i am facing this error: Assets/scripts/fbLogin.cs(60,52): error CS1501: No overload for method API' takes 3' arguments

                     void DealFBMenue ( bool isLoggedIn){
             if (isLoggedIn) {
                     UIFBIsLoggedIn.SetActive (true);
                     UIFBIsNotLoggedIn.SetActive (false);

                     //get profile pic code
                     FB.API ("me/picture?type=med", HttpMethod.GET, DealWithProfileImg);
             } else {
                     UIFBIsLoggedIn.SetActive (false);
                     UIFBIsNotLoggedIn.SetActive (true);
             }
     }
     private void DealWithProfileImg(GraphResult result){
             if(result.Error == null){
                 Image img = UIFBPPic.GetComponent<Image>();
                     img.sprite = Sprite.Create(result.Texture, new Rect (0, 0, 128, 128), new Vector2());
                 }
             }