# Scene setup

**1. Configure PubScaleManager prefab**

Drag and drop the PubScaleManager prefab from **Assets/PubscaleSDK/Common/Prefabs/PubScaleManager.prefab** in the first scene in your Build Settings.

#### 2. Drag and Drop Native Ad Unit prefab

Drag and drop any of the Native ad unit prefab from the path Assets > PubScaleSDK > NativeAds > Prefabs > AdHolderUnits into your gameplay scene.

{% hint style="info" %}
If using any prefab from the “ScreenSpaceCamera” folder then put it under any Canvas in **Screen Space-Camera** render mode to see ads on it.
{% endhint %}

#### 3. Configuring Native ad settings (Optional if Use Test Ads is enabled)

Open the Settings Tab in the PubScale Main Menu found under **Window > PubScale SDK > Main** and Enter the Native Ads settings. Add Native Ad IDs in the Fallback Native ID Android field.

<div><figure><img src="https://1169747515-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8QO3pAR6zbnnusfBcJ9e%2Fuploads%2FZ5xVu9Gog5y1P8Bf1Hfu%2Fpubscale_ios_fb1.3.0.png?alt=media&#x26;token=a9ea0da7-0bb9-4727-b02c-1277c7ef6b93" alt=""><figcaption><p>iOS Native ads settings</p></figcaption></figure> <figure><img src="https://1169747515-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8QO3pAR6zbnnusfBcJ9e%2Fuploads%2FRGyzbPERAoNOHLauWWF3%2Fpubscale_android_fb1.3.0.png?alt=media&#x26;token=4672c193-5df6-4447-b154-c60e96917f5b" alt=""><figcaption><p>Android Native ads settings</p></figcaption></figure></div>

Adding Native Ad IDs in the Fallback Native ID field will ensure ads are requested in case there is a network delay in receiving the dynamic ad config file from the server.

We have now completed setting up the ads. Let's proceed to the next step to learn how to test the ads.
