Runs the aggregation and returns the results.
The run() function returns a Promise that resolves to the results found
by the aggregation and some information about the results.
Note: Aggregations can only be used on collections you have created. They cannot be used on Wix App Collections.
Options to use when running an aggregation.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.