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click on the Filter Button,
select a filter multiple filters and a property multiple properties and
click apply.
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On the dashboards, the aggregated data of the data collection will be filtered according to your filter property.
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When switching to any other tab in the Data Collection (e.g. Data, Documents, etc.), the filter will stay in place and will only display the submissions according to your filter property.
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There is also the possiblity to have multiple combinations with the filters (e.g. Year = 2020 and Country = Afghanistan).