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AB Test Live Flow

  • August 29, 2024
  • 4 replies
  • 123 views
Rachel T
Contributor I
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Hey There,

I was hoping for some advice.I am still a bit of a novice😀

Is it possible to convert a live flow to an AB test flow?

If I cannot convert to an AB then I am guessing I have to set up a new AB Welcome flow test.  If that is the case what happens to the data from the original flow?

Any thoughts greatly appreciated 

Cheers

Rachel

 

Best answer by DavidV

Hi @Rachel T,

Welcome to the Klaviyo Community and thank you for your question! 

You can absolutely add A/B tests into your flow. You can do this in one of two ways:

  1. Test the actual email itself - you can create a B variant of the individual email/SMS inside of the flow. This can be done through the email editor, and this will allow you to A/B test on the content of the email (example - subject line, content inside email etc). More information about that in this article.
  2. Create a random sample in a flow of 50% - this will allow you to test the actual flow pathway. This is helpful if you want to test the wait steps or channel used. For example - let’s say I wanted to test if an email or an SMS is more successful. You do this through a conditional split and selecting “Random Sample”. This would look something like the below: 

     

In short, yes you can add A/B tests to existing flows. I hope that answers your question!

Thanks
David

4 replies

DavidV
Partner - Platinum
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  • DavidV
  • 2025 Champion
  • Answer
  • August 29, 2024

Hi @Rachel T,

Welcome to the Klaviyo Community and thank you for your question! 

You can absolutely add A/B tests into your flow. You can do this in one of two ways:

  1. Test the actual email itself - you can create a B variant of the individual email/SMS inside of the flow. This can be done through the email editor, and this will allow you to A/B test on the content of the email (example - subject line, content inside email etc). More information about that in this article.
  2. Create a random sample in a flow of 50% - this will allow you to test the actual flow pathway. This is helpful if you want to test the wait steps or channel used. For example - let’s say I wanted to test if an email or an SMS is more successful. You do this through a conditional split and selecting “Random Sample”. This would look something like the below: 

     

In short, yes you can add A/B tests to existing flows. I hope that answers your question!

Thanks
David

Zyber is New Zealand's leading Shopify Premier & Klaviyo Master Platinum Partner passionate about helping merchants succeed. www.zyber.co.nz & www.unlocked.co.nz
    Rachel T
    Contributor I
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    • Rachel T
    • Author
    • Contributor I
    • September 2, 2024

    Hi David,

    Thank you so much for your explanation. It was very helpful and I appreciate you help.

    Cheers

    Rachel

     

      V
      Contributor I
      Forum|alt.badge.img+1
      • vincianity332
      • Contributor I
      • November 11, 2025

      Hi David, 

      I found your response helpful. I was building a test flow and was wondering why within the email details panel I don’t see an option to allow an A/B test? I’ve added a screenshot of what I see below. Thanks.

       

        DavidV
        Partner - Platinum
        Forum|alt.badge.img+32
        • DavidV
        • 2025 Champion
        • November 11, 2025

        Hi ​@vincianity332 ,

        Welcome to the Klaviyo Community!

        Great question, and thankfully a simple answer to this one. The Klaviyo flow builder won’t let you add an A/B test until you’ve set up the actual template. 

        So in this case all you need to do is hit the Select Template button and either pick a template from your library or create one from scratch.

        As soon as you’ve added a template onto the email in the flow the option should appear like the example below:

        Hopefully that solves this for you - let me know if you have any questions or you get stuck! 

        Thanks
        David

        Zyber is New Zealand's leading Shopify Premier & Klaviyo Master Platinum Partner passionate about helping merchants succeed. www.zyber.co.nz & www.unlocked.co.nz

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