Sankey diagrams help you to see the relative flow of a value as it goes across multiple systems or stages. For example, you can look at your order volume going through multiple storefront services, break it out by 3PL and your own fulfillment systems, and look at the amount fulfilled by each end system as in the example below:
Sankey diagrams require at least two Groupings and one Measure. Each Grouping represents one point in the flow of data, while the Measure is what is calculated as the flow in the diagram.
The following properties are set in the Report Editor -> Additional Configuration -> Edit Properties -> Color Scheme.