void Start() { // Setup UI RewardedVideoButtonTitle = GameObject.Find("RewardedVideoButtonTitle").GetComponent <Text> (); RewardedVideoButtonTitle.text = REWARDED_VIDEO_BUTTON_TITLE_PRELOAD; StatusText = GameObject.Find("StatusText").GetComponent <Text> (); StatusText.text = ""; // Check if user replaced the SDK key if ("YOUR_SDK_KEY_HERE".Equals(SDK_KEY)) { StatusText.text = "ERROR: PLEASE UPDATE YOUR SDK KEY IN Assets/MainMenu.cs"; } else { // Set SDK key and initialize SDK AppLovin.SetSdkKey(SDK_KEY); AppLovin.InitializeSdk(); AppLovin.SetUnityAdListener("MainMenu"); AppLovin.SetRewardedVideoUsername("demo_user"); } }