Material.HasProperty

function HasProperty (propertyName : String) : boolean

Description

Checks if material's shader has a property of a given name.

See Also: Materials, ShaderLab documentation.

JavaScript
    // Attach this to a gameObject that has a renderer.
if(renderer.material.HasProperty("_Color"))
renderer.material.SetColor("_Color",Color.red);

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Example() {
if (renderer.material.HasProperty("_Color"))
renderer.material.SetColor("_Color", Color.red);

}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Example():
if renderer.material.HasProperty('_Color'):
renderer.material.SetColor('_Color', Color.red)