--- title: Create an Ad Group Switch test for CPP A/B Testing description: Set up a Switch test that duplicates ad groups and rotates which one is active. --- [Skip to content](https://helpcenter.mobileaction.co/en/create-an-ad-group-switch-test-for-cpp-a-b-testing#main-content) [![MobileAction Logo](https://helpcenter.mobileaction.co/hs-fs/hubfs/logo_black_medium-1.png?width=145&height=48&name=logo_black_medium-1.png)](https://www.mobileaction.co/) - [Website](https://www.mobileaction.co/) - [Help Center](https://helpcenter.mobileaction.co/en) Open main navigation Close main navigation - [Website](https://www.mobileaction.co/) - [Help Center](https://helpcenter.mobileaction.co/en) Advice and answers from the MobileAction Team - There are no suggestions because the search field is empty. 1. [Help Center](https://helpcenter.mobileaction.co/en?hsLang=en) 2. [MobileAction CMP](https://helpcenter.mobileaction.co/en/mobileaction-cmp?hsLang=en) 3. [CPP A/B Testing](https://helpcenter.mobileaction.co/en/mobileaction-cmp?hsLang=en#cpp-a-b-testing) # Create an Ad Group Switch test for CPP A/B Testing Use this setup to test multiple custom product pages for a single ad group by duplicating the ad group for each variant and rotating which ad group is active. This article explains how to create a Switch test using **Ad Group** switching. If you want to switch ads within one ad group instead, learn how to [**create an Ad Switch test for CPP A/B Testing**](https://helpcenter.mobileaction.co/en/create-an-ad-switch-test-for-cpp-a-b-testing?hsLang=en). ### Before you start Keep the following in mind: - You must select **one ad group with sufficient historical traffic**. - **You can select 2–4 product pages, including custom product pages and the default product page.** - The system creates **separate duplicate ad groups** for each custom product page. - **Only one ad group is active at a time**, and variants rotate based on the selected switch period. - During setup, you will choose a **desired precision**, and the system will calculate the test duration and available switching periods based on past traffic and fluctuation analysis. If you want to understand how switching periods are determined, go to [**How are switch periods chosen in CPP A/B Testing**](https://helpcenter.mobileaction.co/en/how-are-switch-periods-chosen-in-cpp-a-b-testing?hsLang=en). ### Instructions 1. Navigate to the **CPP A/B Testing** item in the navigation menu. ![ad-group-switch-1](https://helpcenter.mobileaction.co/hs-fs/hubfs/Help%20Center%20Images/CPP%20A-B%20Testing/ad%20group%20switch/ad-group-switch-1.png?width=670&height=359&name=ad-group-switch-1.png) 2. Click the **Create New** button. ![ad-group-switch-2](https://helpcenter.mobileaction.co/hs-fs/hubfs/Help%20Center%20Images/CPP%20A-B%20Testing/ad%20group%20switch/ad-group-switch-2.png?width=670&height=359&name=ad-group-switch-2.png) 3. Choose the **ad group** you want to test. The system uses this ad group’s past traffic to calculate test timing and switching options.  To learn more about test duration calculation check out [**How is test duration calculated in CPP A/B Testing**](https://helpcenter.mobileaction.co/en/how-is-test-duration-calculated-in-cpp-a-b-testing?hsLang=en) **![ad-group-switch-3](https://helpcenter.mobileaction.co/hs-fs/hubfs/Help%20Center%20Images/CPP%20A-B%20Testing/ad%20group%20switch/ad-group-switch-3.png?width=670&height=445&name=ad-group-switch-3.png)** 4. Select up to four different custom product pages (you can select the default product page as one of them). ![ad-group-switch-4](https://helpcenter.mobileaction.co/hs-fs/hubfs/Help%20Center%20Images/CPP%20A-B%20Testing/ad%20group%20switch/ad-group-switch-4.png?width=670&height=425&name=ad-group-switch-4.png) 5. Choose Switch as the test method. ![ad-group-switch-5](https://helpcenter.mobileaction.co/hs-fs/hubfs/Help%20Center%20Images/CPP%20A-B%20Testing/ad%20group%20switch/ad-group-switch-5.png?width=670&height=637&name=ad-group-switch-5.png) 6. Choose Ad Group as the switching method. The system creates a separate duplicate ad group for each custom product page and rotates the ad groups. Only one ad group runs at a time. ![ad-group-switch-6](https://helpcenter.mobileaction.co/hs-fs/hubfs/Help%20Center%20Images/CPP%20A-B%20Testing/ad%20group%20switch/ad-group-switch-6.png?width=670&height=227&name=ad-group-switch-6.png) 7. Choose the [desired precision](https://helpcenter.mobileaction.co/en/statistical-background-of-cpp-a-b-testing?hsLang=en) and the confidence level.  ![ad-group-switch-7](https://helpcenter.mobileaction.co/hs-fs/hubfs/Help%20Center%20Images/CPP%20A-B%20Testing/ad%20group%20switch/ad-group-switch-7.png?width=670&height=274&name=ad-group-switch-7.png) 8. Review available switch periods and select one (Hourly, Daily or Weekly).  9. Review your selections. When you’re ready, start the test. ![ad-group-switch-8](https://helpcenter.mobileaction.co/hs-fs/hubfs/Help%20Center%20Images/CPP%20A-B%20Testing/ad%20group%20switch/ad-group-switch-8.png?width=670&height=431&name=ad-group-switch-8.png) When the timer ends, the clones are paused, the original ad group resumes, and the table line flips from 'Running' to 'Completed'. If you stop the test before its scheduled end date and time, the system will automatically revert to the original asset, with no manual reactivation required. ### After you finish Once your test is running, you can track its progress immediately. 1. Navigate back to the CPP A/B Testing dashboard. 2. Locate your test in the list to see its status (Running, Completed, Stopped) and its start/end dates. 3. Click on the arrow in each line to monitor performance metrics such as Impressions, TTR, and CR. You can switch between table and chart view and review the test log for event history. To learn more about monitoring, check out [**How do you monitor and interpret tests in CPP A/B Testing**](https://helpcenter.mobileaction.co/en/how-to-monitor-cpp-a-b-tests-in-the-dashboard?hsLang=en) ### Related links - [**What is the Switch method in CPP A/B Testing**](https://helpcenter.mobileaction.co/en/what-is-the-switch-method-in-cpp-a-b-testing?hsLang=en) - [**Ad Switch vs Ad Group Switch in CPP A/B Testing**](https://helpcenter.mobileaction.co/en/ad-switch-vs-ad-group-switch-in-cpp-a-b-testing?hsLang=en) - [How are switch periods chosen in CPP A/B Testing](https://helpcenter.mobileaction.co/en/how-are-switch-periods-chosen-in-cpp-a-b-testing?hsLang=en) - [**What are the requirements and limits for CPP A/B Testing**](https://helpcenter.mobileaction.co/en/what-are-the-requirements-and-limits-for-cpp-a-b-testing?hsLang=en) - [**How do you monitor and interpret tests in CPP A/B Testing**](https://helpcenter.mobileaction.co/en/how-to-monitor-cpp-a-b-tests-in-the-dashboard?hsLang=en) --- ### Need more help? 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