[Catalyst] how could I pass a variable from Model to Controller?

[redicaps at gmail.com]

HI all:
I am a Catalyst beginner and run into this problem
since I have a model like this

package MyApp::Model::Trial;
use strict;
use warnings;

sub new{
my $pack =3D shift;
my $self =3D bless {
foo =3D> 'default value foo',
},$pack;
return $self;
}

sub get{
return shift->{'foo'};
}
1

how could I pass this "foo" to the controller?
I tried some code like this
my $a =3D $c->model('Trial::new');
$c->stash->{word} =3D $a->get;

or
my $a =3D $c->model('Trial');
$c->stash->{word} =3D $a->get;

both of them run into some exceptions


thx for helping
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