Introduction
This feature lets you add extra details to your chart without changing the main view. It helps you show more information for each mark, like adding labels or tooltips, so you can understand your data better.
When you want to show sales by region but also include product categories as extra details.
When your map shows cities and you want to add population data as a detail without adding more marks.
When you create a scatter plot and want to add customer segments as additional info for each point.
When you want to keep your chart simple but provide more info on hover or in tooltips.
When you need to add reference lines or calculations that depend on more detailed data.