This action allows you to create widgets on your home screen with various layouts, and makes it easy to run your tasks from it.

To use these widgets:

add a new Widget v2 Tasker widget to your home screen
configure it on your home screen to give it a name that you can then use reference it in Tasker
in Tasker, in a task add the Widget v2 action
in Widget Name use the magnifying glass to select the widget you added to your home screen
Select the Layout you want to use
Configure the fields below to your liking

More info about the Custom Layout here.