This method is deprecated and was replaced with count.
Counts the number of items in a data collection that match the provided filtering preferences.
Note: When calling countDataItems() following an update to your collection, the result returned may not reflect the most recent changes. If you need the most up-to-date data, set options.consistentRead to true.
This method may require higher-level permissions than the caller has, based on their identity and roles and permissions. In these cases, you can ensure the method is called with the required level of authorization by using one of the following:
Options for counting the number of items in a data collection.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.