1. Requesting a promo code from the user
Add a Question block where the bot asks the user to enter a promo code.
Save the subscriber’s answer in a user variable (for example, promo_code).
This variable will be used solely to store promo codes.
2. Restricting repeated promo code generation
It is not possible to check the validity or one-time use of a promo code using the bot alone. However, you can limit repeated generation:
In the block where the subscriber receives a promo code, add a condition:
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If the subscriber already has a tag (for example,
promo_issued) → the promo code will no longer be issued. -
If the tag is absent → the bot generates a promo code.
After generating the promo code, assign the subscriber the tag promo_issued.
3. Maintaining an offline promo code database
To track the validity and usage of codes, you can create a table in Google Sheets. Record the following:
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The promo code itself
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Subscriber name/ID
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Issue date
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Expiration date
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Status (used / unused)
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If necessary – usage channel
This allows you to control which codes have already been issued and keep a usage history.
You can also use the ready-made Promo Code Generator template.
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