A Custom View is a way two save the current state of a visualization to reopen it later. Imagine that, in a Dashboard, you need to select different values in ten different filters to focus the visualization on what interests you. Without Custom Views, you'll have to apply the different filters each time you open the Workbook. With Custom Views, you can save a state where all the filters are applied and reopen it when you want. All the filters will be applied at once.
To add a Custom View, click on the View: Original button to open the configuration window. Here's a screenshot of the configuration window:
This window offers the following ...