protected function prepare_to( array $notifications ) {
		$tos = array();

		foreach ( $notifications as $notification ) {

			$to = $notification->get_recipient();

			$tos[] = array(
				'email' => $to->user_email,
				'name'  => "{$to->first_name} {$to->last_name}",
				'type'  => 'to'
			);
		}

		return $tos;
	}