Version: 2018.1
public RectTransform content ;

Description

The content that can be scrolled. It should be a child of the GameObject with ScrollRect on it.

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

public class ExampleClass : MonoBehaviour { public ScrollRect myScrollRect; public RectTransform scrollableContent;

//Do this when the Save button is selected. public void Start() { // assigns the contect that can be scrolled using the ScrollRect. myScrollRect.content = scrollableContent; } }