While reporting has evolved over the years and it is now possible to jump right into creating content in Cognos Reporting with drag-and-drop elements, becoming a true "Power User" requires a bit more know-how. It is critical to be comfortable writing expressions. That's where the Expression Definition box comes in. Whether you're just getting started or looking to expand your knowledge, this post will show you that there's no need to be intimidated by expressions. So, let's dive in and take a closer look at this powerful tool!

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