Condition help

Hi there I have the following condition that is liked to my google calendar which basicaly looks for an event called christmas lights and triggers the action, what i need help with it amend the template or another condition that does the following.

condition: template
    value_template: '{{is_state_attr(''calendar.holidays_in_united_kingdom'', ''message'',
      ''Christmas Lights'') }}'

I need a template to check today date against against the calendar if no event is present then action will be to not fire the action.