Totals in Planners
From Planfix
You can set whether to display the totals section in Planner lists. The setting Totals section can be enabled in the settings of the desired list, at the very bottom:
When you enable totals, you can automatically calculate the number of tasks/contacts in a list, or sum up the values of a field for all objects in a list. You can then display this total in the list header:
The total is displayed below the list heading:
