Creates a filter to be used with datasets and aggregations.
The filter() function builds a filter to be applied to a dataset or an aggregation, and returns a WixDataFilter object.
The returned object contains the filter definition and is used with the setFilter() function.
When working with Wix app collections, check which fields can be used in a filter.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.