You can't be notified specifically when a contact 'does not do something'. However, sequences automatically end after a reply is recieved so, if you add a task to a sequence due some time after an email is sent, that task will effecitvely be a reminder that they have not replied.
You can't be notified specifically when a contact 'does not do something'. However, sequences automatically end after a reply is recieved so, if you add a task to a sequence due some time after an email is sent, that task will effecitvely be a reminder that they have not replied.