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In the example below locationFunctionEquals selected="@LOC_ID@" additional="@AFGB@PEILGEBIED_NAAR@ATT @"/> is used which will show all a timeseries from the additional time series set where the location has an attribute value AFGBvalue PEILGEBIED_NAAR which ATT which equals the LOC_ID attribute of the shown location of the normal time series set, which can be multiple or even 0.
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