Get the selected topic by which this object has been defined.
See also
Other data selection functions:
as_acs_5yr_topic()
,
get_available_area_topics()
,
get_available_area_years()
,
get_available_areas()
,
get_geo_attribute_names()
,
get_geo_layer.acs_5yr_geo()
,
get_names_of_other_topics()
,
get_report_names()
,
get_subreport_names()
,
select_report()
,
select_subreport()
,
select_topic()