Enabling Combo Chart
Any Chart can be turned into a Combo Chart.
This allows to combine multiple Chart Types into the same widget.
Click Enable Combo Chart under Series :
The Default Chart Type can be selected under Series also.
This will be the Chart type used by default when adding new Y Value Series to the data configuration.
When Combo Chart is enabled, the Chart Type is no longer a global setting to the widget.
Instead, each Y Value Series has a new setting called Series Type :