Usually represents the stages in a process, with the intention of showing how each of the stages is performing. With this idea in mind, it could also help you identify potential problem areas in the process. The most used case for this chart type is to show the potential revenue available in each stage of the sales process.
Create a funnel widget to visualize your Opportunities by stage. You will be able to let with a single glance at it if your sales process is healthy if its shape resembles a 'V'.
Select the view you want to use as the base for your widget. You can use a saved view or select "Embedded View" and create a new one for this widget.
Choose the application you would like to use for the data for the widget.
You can adjust the filters from a previously saved view or add filters just for this widget.
For more information on filters see the following article:
Defaults to Count. If a field is selected then, a new field called calculation will appear, you can choose between sum, average, max, and min.
Show Labels: When enabled it will show the name of data in the Vertical Axis.
Label Legend: When enabled it will display a data legend below the chart.
Show Top N: If you enter in the number 5 the chart will display the top 5 records based on the filters you chose earlier.
Default Format: When disabled, override the default format.
Number Prefix: Add a prefix to the numbers in the widget, from letters to symbols.
Format Large Values: When enabled, it will apply the required format to simplify the quantities, for example, it will transform 14,000,000 to 14M
Show % Values: If applicable, it will change your values to percentages in the legend below the chart.