This event is in Second and this group is not visible by default

This event has the “event_start” label attribute which is defined in the widget as the tag marking events to be fetched.

the “Second” group is by default not visible as defined in the “event_type_list” attribute on the widget, showing it requires clicking the UI button appearing at the top of the timeline.

This event has the “event_type” label of value “first”, sorting it into the corresponding group with id “first” defined in “event_type_list” attribute on the widget.