Selectable.transition

Description

The type of transition that will be applied to the targetGraphic when the state changes.

#pragma strict
// Required when Using UI elements.
public var btnMain;
function SomeFunction() {
	//Sets the main button's transition setting to "Color Tint".
	btnMain.transition = Selectable.Transition.ColorTint;
}

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // Required when Using UI elements.

public class ExampleClass : MonoBehaviour 
{
	public Button btnMain;

	void SomeFunction ()
	{
		//Sets the main button's transition setting to "Color Tint".
		btnMain.transition = Selectable.Transition.ColorTint;
	}
}