gform_pre_send_email not working

add_filter("gform_pre_send_email", "rah_leads_gravity");
function rah_leads_gravity($email){

	// Interaction with message data
	$thisEmailAddress = get_option('nextLead');
	$email["to"] = $thisEmailAddress;
	$senderEmail = $email["from"];
	$senderSubject = $email["subject"];
	$timeSent = time();

	// Queue next email address
	rah_leads_update_queue($thisEmailAddress);

	//Update message list
	global $wpdb;
	$wpdb->insert('wp_rah_leads_messages', array(
			toEmail => $thisEmailAddress,
			fromEmail => $senderEmail,
			emailTitle => $senderSubject,
			emailDate => $timeSent
			));

	return $email;
}

add_filter("gform_pre_send_email", "route_email");
function route_email($email){
	$email['to'] = 'name@domain.com';
	return $email;
}