condition in find function cakephp

How to get data on condition that start time only have current year data:

[php]

$event = $this->Event->find(‘first’, array(
‘conditions’ => array(
‘Event.id’ => $targetEvent[‘Eventtarget’][‘event_id’],
‘Event.stage’ => ‘created’,
‘year(Event.startTime)’ => date(‘Y’) ), //this is the condition we have to check
‘fields’ => array(‘Event.startTime’, ‘Event.city’, ‘Event.zip’, ‘Event.employee_id’)
));

[/php]