The Ars parameter sets an aggregated record EQL filter.
| Parameter | Ars |
| Name | Aggregated EQL Filter |
| Java setter method | ENEQuery.setAggrERecStructureExpr() |
| .NET setter property | ENEQuery.AggrERecStructureExpr |
| Type | <string> |
| Description | Sets the Endeca Query Language expression for aggregated record query. The expression will act as a filter to restrict the results of the query. The Ars parameter must be URL-encoded. For clarity’s sake, however, the example below is not URL-encoded. |
| Object | Aggregated Record (AggrERec) |
| Dependency | A |
/controller.php?An=0&A=1&Au=author_nationality &Ars=collection()/record[recordtype = "author" and not(author_name="kurt vonnegut")]