This syntax adds dropdown filters to a page which will influence all aggregations on the same page. Each selected field will be shown as a separate dropdown containing all possible values for that field.

---- struct filter ----
schema: schema_name
cols: tag, color
----

The filters set through these controls are “dynamic” filters similar to the ones a user can set when using the dynfilters option of the table aggregation. These “dynamic” filters will be added on top of any filters that might have been set in the aggregation syntax itself.

The filter syntax itself can also use filter options to limit what the filter dropdown offer as selection.