Find more on the following blog by Naaz Vilantakath:
Often a multi-select prompt takes a lot of space in a cognos report. With the use of a multi-select-popup-prompt you can save some space and still keep all the functionality.
I found a URL with a complete example:
You want to build a report which shows salesdata per region and show every region on an new page.
Create a table with branch, year and some fact data.
Click once on the column branch.
In the toolbar click on Structure > Page-break (with Master/Detail)
After that you can also click on ‘Section’. This way you create an header per page for Region.
See Section in report for more enhancement details.
In Cognos you can use a lot of Dimensional functions. Information about these functions can be found on:
You can download a zip-file here witch contains a PDF and a zip-file with examples.
The dimensional functions can be used with crosstab reports with for example year, quarter and sales facts.
A usefull example can be found on Youtube: