PlayerPrefs.SetInt

Description

Sets the value of the preference identified by key.

          PlayerPrefs.SetInt("Player Score", 10);

//Attach this script to a GameObject in the Scene to set up the PlayerPrefs.

using UnityEngine;
using UnityEngine.SceneManagement;

public class SetUpPlayerPrefsExample : MonoBehaviour
{
    void Start()
    {
        //Give the PlayerPrefs some values to send over to the next Scene
        PlayerPrefs.SetInt("Score", 20);
    }

    void OnGUI()
    {
        //Create a button which loads the appropriate level when you press it
        if (GUI.Button(new Rect(10, 30, 200, 60), "Next Scene"))
        {
            SceneManager.LoadScene("Scene2");
        }
    }
}