This API is subject to change. Bug fixes and new features will be released based on developer feedback throughout the preview period.
Filters pipeline data to match items whose specified field does not exist or does not have any value.
The isEmpty() method refines the aggregate pipeline filter to only match items where the value of the specified field is null or undefined or the field does not exist.
If the field contains any value at all for a given item, including an empty string or an invalid value, that item does not match the filter.
Field to check for a value.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.