delete($name) /*or*/ del($name)

Clear the session data at $name. E.g.

$this->Session->del('Person.eyeColor');

1. $this->Session->del('Person.eyeColor');

Our session data no longer has the value 'Green', or the index eyeColor set. However, Person is still in the Session. To delete the entire Person information from the session use.

$this->Session->del('Person');

1. $this->Session->del('Person');