Open the required user module → Click on the button on a chart to open the Chart Customizer→ Marker
Information
In this module you can configure the markers which are to be displayed on the data points of a data series.
Notes
If no data is displayed in a chart, this may indicate that no markers have been configured.
By default, the markers configured in the module are used for all data series of the chart.
Via the → Configure series specific marker context menu in the Data Series module you can insert a marker configuration which is only used for the respective data series.