Coded Summary is a customizable format that allows you
to tag tasks to roll-up together in your Milestones schedule. And what’s
more, you can completely customize the look and placement of each symbol
through custom tags in your MS Project schedule.
Below are the coded import
choices.
A text field that contains the row names by which
tasks will be grouped.
A number field that contains the level for each
Milestone (1, 2, 3)