# Unique Attendee Registration

## Unique Attendee Registration

Organizers can enable this feature to ensure that there are no duplicated registrations with the same email address in their event.

## Steps

1. Under the Registration Form section > Click the edit icon\
   ![](/files/PrOl7jjXLuBu319T9Q6d)
2. Toggle on **Registration by Unique Email Address** > click **Save**\
   ![](/files/IyiOireRfLMQOwjm3VQL)

## Expected behavior

1. If an email address already exists as a Registered / Attended attendee on the People List, attendees cannot reuse the email address to register. The error message will be as below.\
   ![](/files/0z47peJX37moOhYzL4mw)
2. If ticket purchaser enters 2 similar email addresses when purchasing multiple tickets, there will be an error message as below.\
   ![](/files/6zESko5Gsop2WQh42Sde)


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