how to use unity ads code example

Example 1: unity ads tutorial 2020

using UnityEngine;
using UnityEngine.Advertisements;

// how to make rewarded scripts autometically in unity games
public class RewardedAdsScript : MonoBehaviour, IUnityAdsListener { 

    #if UNITY_IOS
    private string gameId = "1486551";
    #elif UNITY_ANDROID
    private string gameId = "1486550";
    #endif
    
   
    string myPlacementId = "rewardedVideo";
    bool testMode = true;

    // Initialize the Ads listener and service:
    void Start () {
        Advertisement.AddListener (this);
        Advertisement.Initialize (gameId, testMode);
    }

    // Implement IUnityAdsListener interface methods:
    public void OnUnityAdsDidFinish (string placementId, ShowResult showResult) {
        // Define conditional logic for each ad completion status:
        if (showResult == ShowResult.Finished) {
            // Reward the user for watching the ad to completion.
        } else if (showResult == ShowResult.Skipped) {
            // Do not reward the user for skipping the ad.
        } else if (showResult == ShowResult.Failed) {
            Debug.LogWarning ("The ad did not finish due to an error.");
        }
    }

    public void OnUnityAdsReady (string placementId) {
        // If the ready Placement is rewarded, show the ad:
        if (placementId == myPlacementId) {
            Advertisement.Show (myPlacementId);
        }
    }

    public void OnUnityAdsDidError (string message) {
        // Log the error.
    }

    public void OnUnityAdsDidStart (string placementId) {
        // Optional actions to take when the end-users triggers an ad.
    } 
}

Example 2: unity ads tutorial

using UnityEngine;
using UnityEngine.Advertisements;

public class InitializeAdsScript : MonoBehaviour { 

    string gameId = "1234567";
    bool testMode = true;

    void Start () {
        Advertisement.Initialize (gameId, testMode);
    }
}