In the Petitions app, a visitor is able to sign an individual petition once. This is enforced based on their email address. Should they attempt to submit a petition using the email address of an existing supporter, they will be prevented from doing so with the following default message displayed:
You can sign this petition only once.
if you wish, you may customize this message. To do so:
- Open the Configuration for the Petitions app
- On the Configuration tab, for , enter the text you wish to appear to the front-end visitor
- Click Save