Power-up: Grouping lists

Learn how to group items in a list in Composer Pro using the GROUP() formula function.

The formula functions used in this video

Grouping lite items according to the genre property and creating an object with a text type amount property displaying the number of movies in each genre: GROUP(pageVars.top20series, item.genre, {amount: "The amount of series in the genre " + key +": " + COUNT(items)})