In the example we are using the Multiple Master Filter will allow you to click on a item in the Grid and the result will display in the Pie and vice versa
1.Click on Grid 2
2.Appy Multiple Master Filter under the Data tab if not applied
3.Click the Pies 1 window
4.Apply Multiple Master Filter if not already applied
5.Under the Tree View select some Attendee Types under the years to examine
6.On the Grid click on an Attendee Type to display the result in the Pie