summary in the report designer

Does anybody advise me how to use in the report designer summary function. I want to create report where at the last page will be summary of the data field in the report body. In the properties of the data field I can see summary but nothing works. I tried everything but without success.

I love this forum. I wrote three threads in the past and nobody never answer me. So I am going to answer by myself. If you want tu use summary function in the report designer you have to add new group section and add the fields that you want to summarized to this section. In this field you will setup summary function that you want to use and everything works well.

@Paul Lefebvre is the guy who takes care of improving the docs. The report designer / reporting really needs a better chapter.