Part 1: Essential Functions Every TM1 Developer Should Kno MultiDimensional Expressions (MDX) is one of the most powerful features available in IBM Planning Analytics Workspace (PAW). While many TM1 developers rely on static subsets, mastering MDX opens the door to dynamic reports, intelligent dashboards, and significantly reduced maintenance In this first article of the series, we'll explore three fundamental MDX functions that every TM1 developer should understand: TopCount() Filter() Descendants() These functions form the building blocks of many real-world PAW applications. Why Learn MDX? ...