Unity - Auto Saving Script

using System.Collections;
using UnityEngine;

    public class AutoSaving : MonoBehaviour
    {
        public float savingPeriod = 60f;
        private World world;

        void Start ()
        {
            world = World.GetInstance ();
            StartCoroutine (OnSaveData ());
        }

        IEnumerator OnSaveData ()
        {
            while (true) {
                yield return new WaitForSecondsRealtime (savingPeriod);
                Save ();
            }
        }

        public void Save ()
        {
            Debug.Log ("Saving...");
            DataManager.SaveData (world);
        }
}