Next, click on Customize and define which form fields from the dropdowns on the right contain visitors’ name and email address, in order to import them correctly in your GetResponse database.
You can also take into account custom fields that you have created in GetResponse and associate them with fields from your 123FormBuilder web form.
Tick I want to use custom fields and create the match using the dropdown lists.
You can also place an opt-in checkbox on your form, so that contacts will only be sent to GetResponse if they express their consent to subscribe for your list. Be advised that GetResponse already uses an opt-in system that sends your imported contacts an e-mail containing a confirmation link. Although the double opt-in system can be deactivated in your GetResponse account, the confirmation message is permanent.