Conditions Logic: Unable to Add Coupon or Promo Code

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    MMM_Creations
    Asked on April 18, 2026 at 3:14 AM
    I am not able to add Coupon/promo code. i tried using conditions logic, but its not working
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    Kyle JotForm Support
    Replied on April 18, 2026 at 3:30 AM

    Hello MMM_Creations,

    Thanks for using Jotform. I cloned your form to test the setup and noticed that the issue comes from the way the 0 value is formatted. It currently has parentheses around it (0), which prevents the condition logic from working properly. Check out my screenshot below to see the result:

    
Conditions Logic: Unable to Add Coupon or Promo Code
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    To fix this, simply remove the parentheses and leave the value as 0. Once updated, your coupon/promo code condition should work as expected. Let me show you how:

    1. In Form Builder, in the orange navigation bar at the top of the page, click on the Settings.

    2. In the menu on the left side of the page, click on Conditions, then hover your mouse over the Update/Calculate Field condition and select the Pencil icon.

    
Conditions Logic: Unable to Add Coupon or Promo Code
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    3. Set the condition like you see below, and click on Save.

    
Conditions Logic: Unable to Add Coupon or Promo Code
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    Check out the screencast below to see my results:

    
Conditions Logic: Unable to Add Coupon or Promo Code
Image-4 Give it a try and let us know if you have any other questions.

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    MMM_Creations
    Replied on April 23, 2026 at 10:59 PM

    i removed the parantheses around the 0 but the problem is not solved

    Try this, on my form

    • select the Quantity
    • Click on Promo Code Field, dont type anything
    • Now click on anywhere in the form

    You will see the Ticket Amount field becomes 0, this is a bug

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    Raymond JotForm Support
    Replied on April 23, 2026 at 11:34 PM

    Hi MMM_Creations,

    I checked your account, and it looks like you're working on multiple clones of your form. So we can check and accurately provide you with a solution, can you share with us the correct form you're working on? You can easily find your form's URL in Form Builder. Let me show you how:

    1. In Form Builder, in the orange navigation bar at the top of the page, click on Publish.
    2. In the Quick Share tab, click on Copy Link in the Share With Link section.

    
Conditions Logic: Unable to Add Coupon or Promo Code
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    In the meantime, I cloned and tested the Clone of 2 Aala - Suspense Thriller Tamil Stage Drama form. I see that you already have calculation set up for the Ticket, Donation, and Total amount. Since you need a voucher and discount system, we'll have to create another price placeholder and subtract the total amount with the voucher amount.

    I created a demo form you can test here. In the promo code, you can use test1 or test2. You can also clone the form to inspect it further. If this is what you're trying to do and need help further help, let us know together with a few examples of promo codes and the amount of discount you're trying to use so we can help you further.

    Reach out again if you need any help.

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    MMM_Creations
    Replied on April 24, 2026 at 2:26 AM

    This is my form where the problem is happening, use this form to reproduce the steps

    • select the Quantity
    • Click on Promo Code Field, dont type anything
    • Now click on anywhere in the form

    The solution that you gave me doesnt work for my need. the user can enter only the code, not the discount amount

    I have setup everything correctly in the condition/update field rule, but it still doesnt work

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    Sheena JotForm Support
    Replied on April 24, 2026 at 2:47 AM

    Hi MMM_Creations,

    We did not received the link you provided. Can you send it again? You can easily find your form's URL in Form Builder. Let me show you how:

    1. In Form Builder, in the orange navigation bar at the top of the page, click on Publish.
    2. In the Quick Share tab, click on Copy Link in the Share With Link section.

    
Conditions Logic: Unable to Add Coupon or Promo Code
Image-1Once you share the form URL with us, we’ll be able to help you better with this.

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    MMM_Creations
    Replied on April 24, 2026 at 11:54 AM

    Pls use this form to recreate the issue i mentioned above

    https://pci.jotform.com/form/261067970652159

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    Kyle JotForm Support
    Replied on April 24, 2026 at 12:26 PM

    Hello MMM_Creations,

    I cloned the form you recently provided and tested the exact steps you described. I was able to reproduce the issue where the Ticket Amount field resets to 0 when the Promo Code field is clicked but left empty. Check out my fix and workaround here. You can also check out my cloned form here.

    Give it a try and reach out again if you have any other questions.

  • Profile Image
    MMM_Creations
    Replied on April 24, 2026 at 12:33 PM

    i dont think the problem is solved, the bug still exists even in your cloned form, as i mentioned try these steps even on your form

    • select the Quantity
    • Click on Promo Code Field, dont type anything
    • Now click on anywhere in the form
    • you can see the ticket amount field becoming 0


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    Jerlan JotForm Support
    Replied on April 24, 2026 at 12:46 PM

    Hi MMM_Creations,

    I tested your form and had the same issue, so I created a ticket and escalated this to our Developers. Although we don't know exactly when it'll be fixed, we’ll circle back to this thread when we have an update. 

    
Conditions Logic: Unable to Add Coupon or Promo Code
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  • Profile Image
    MMM_Creations
    Replied on April 24, 2026 at 9:17 PM

    I need help asap, i want to use this form for my event and this bug is preventing me


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    Mary JotForm Support
    Replied on April 24, 2026 at 9:48 PM

    Hi MMM_Creations,

    I'm afraid we do not have any update from our Developers yet. As soon as we hear from them, we will let you know.

    Thanks for your patience and understanding. We really appreciate it.

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    MMM_Creations
    Replied on April 30, 2026 at 12:31 AM

    any updates?

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