Hierarchical slicers

What happens when you want to choose by different levels of a hierarchy?

Here I've chosen King's Lynn and Lowestoft as towns in East Anglia, but I've also chosen the whole of the London region.

The answer?  Add more than one field into your slicer:

This slicer is letting you choose by region AND town.

Customising the appearance of hierarchical slicers

You can choose from 3 sets of expand/collapse symbols in the Items card:

The three sets of icons on the drop-down list are Chevron, Plus/minus and Caret.  Chevron is shown above, and the other two are shown below.

Here's what Plus/minus and Caret symbols look like:

Plus/minus	Caret

You can also change how indented the different levels are, using the Stepped layout indentation property just above the Expand/collapse icon.  Here's the default:

Standard indentation ...	... looks like this

And here I've upped the indentation to the maximum of 40:

Maximum indentation ...	... and how it looks

Setting a slicer summary 

I don't think this is a new feature, but I don't remember seeing it before and don't remember it being announced!

You can choose to show a summary of what you've chosen in the slicer in the slicer header.

The result for a hierarchical slicer can be quite verbose:

By default, Power BI shows the choice you've made at each hierarchy level.