Before anything, you have to enable PRO from your settings.
You can now assign custom data to your contacts. This can be done in two ways:
Conversio Subscription Forms
Once you have enabled Pro, your Subscription Forms can have additional props as such:
If you add the fields to the subscription form after you've imported new customer properties, Conversio will match your form's custom properties fields with the custom properties that exist for your subscribers.
2. CSV Import
When you import new data, you can add new custom properties.
Have questions? Reach out to email@example.com