how to control "SMOOTHNESS" via GUI slider?! SOLVED!

Getting Started
1

hello world

I’ve been trying to use a GUI slider to control ‘smoothness’ of an object but It just doesn’t work.

here’s my latest atempt:

  using UnityEngine;
  using UnityEngine.UI;  
  using System.Collections;
   
  public class metalicslider : MonoBehaviour {
  public GameObject metasphere; // object that will be affected
  public Slider sldfind;
  Renderer sphrend;
      
     // Use this for initialization
     void Start () {
       sphrend = metasphere.GetComponent<Renderer>();
       sphrend.material.shader = Shader.Find ("Standard");
          
         }
   
        // Update is called once per frame
     void Update (){
       sphrend.material.EnableKeyword ("_SPECCGLOSSMAP");
       sphrend.material.SetFloat ("_SPECCGLOSSMAP", sldfind.value);
   
     }
  }

I checked the documentation, tried this one too, but no cookie

  using UnityEngine;
  using System.Collections;
   
  public class ExampleClass : MonoBehaviour {
  public Renderer rend;
  void Start() {
  rend = GetComponent<Renderer>();
  rend.material.shader = Shader.Find("Specular");
  }
  void Update() {
  float shininess = Mathf.PingPong(Time.time, 1.0F);
  rend.material.SetFloat("_Shininess", shininess);
  }
  }

please, help!

2

I figured it out!
the name of the property is “_GlossMapScale” that’s the one which controls the “Smoothness” slider

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