TEC single.php gcal link code

<?php if( function_exists('tribe_get_gcal_link') ): ?>
   <a href="<?php echo tribe_get_gcal_link(); ?>" class="gcal-add" title="<?php _e('Add to Google Calendar', 'tribe-events-calendar'); ?>"><?php _e('+ Google Calendar', 'tribe-events-calendar'); ?></a>
<?php endif; ?>