Selectable.Select

Description

Selects this Selectable.

#pragma strict
// required when using UI elements in scripts
// Required when using Event data.
public var myInputField;
//Do this OnClick.
public function SaveGame() {
    //Makes the Input Field the selected UI Element.
    myInputField.Select();
}

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // required when using UI elements in scripts
using UnityEngine.EventSystems;// Required when using Event data.

public class ExampleClass : MonoBehaviour// required interface when using the OnSelect method.
{
    public InputField myInputField;

    //Do this OnClick.
    public void SaveGame()
    {
        //Makes the Input Field the selected UI Element.
        myInputField.Select();
    }
}