There’s a huge need in any data driven organization to know where data is coming from, how it got there, and other characteristics of it. There are a variety of tools at our disposal that can do a great job of this and in most cases do it automagically. But what if you didn’t want to pay to use Purview or Unity Catalog and just needed something either to get the job done or as a proof of concept, to show business value, that would lead into the usage of one of these tools? Well you might not know, but Power BI has a free market place item that is great for that: Sankey Charts.