[% myobject =
    [
          {
            'agendas' => [
                           {
                             'agendaDate' => '2012-07-19T10:00:00.000-04:00',
                             'id' => '361309'
                           }
                         ]
          },
          {
            'agendas' => [
                           {
                             'agendaDate' => '2012-07-25T10:00:00.000-04:00',
                             'id' => '361410'
                           }
                         ]
          },
          {
            'agendas' => [
                           {
                             'agendaDate' => '2012-07-17T10:00:00.000-04:00',
                             'id' => '361740'
                           }
                         ]
          }
    ]
%]

[% FOREACH row IN myobject.sort('agendas.0.agendaDate') %]
    [% 'date = ' _ row.agendas.0.agendaDate %]</br>
[% END %]