I'm new to Catalyst, so it's likely I don't fully understand how to use Session::Store. I've found, on all the web, only two examples of how to add items to $c->session:

Try looking at the docs?

Yeah Catalyst::Plugin::Session::Store - Base class for session storage drivers.

my $data = $c->get_session_data( $key );
$c->store_session_data( $key, $data );
[download]

Where $data is a hashref , arrayref or scalar