The An parameter sets the navigation values which the aggregated record will be aggregated in relation to.
| Parameter | An | 
| Name | Aggregated Record Descriptors | 
| Java setter method | ENEQuery.setAggrERecNavDescriptors() | 
| .NET setter property | ENEQuery.AggrERecNavDescriptors | 
| Type | <dimension value id>+<dimension value id>+<dimension value id>... | 
| Description | Sets the aggregated record navigation values for the query. An and Au define the record set from which the aggregated record was created. | 
| Object | Aggregated Record (AggrERec) | 
| Dependency | A, Au (Note that A, An, and Au are all considered primary parameters and must be used together.) | 
/controller.php?A=7&An=123&Au=ssn