The Flag last actual value date zone extracts the date of the historical data's last datapoint. This information will be helpful to create some of the [dashboard](dashboard:j4Pjdob)'s graphs. 

![Screenshot 2023-01-13 at 16.34.08.png](pGNBly4FyCfN)

The first [recipe](recipe:compute_historical_ts_data_dates), groups the dataset by date and the second [recipe](recipe:compute_historical_ts_data_dates_windows) which is a window recipe, extracts the most recent date. 