The Nrs parameter sets an EQL record filter on a navigation query.
| Parameter | Nrs | 
| Name | Endeca Query Language Filter | 
| Java setter method | ENEQuery.setNavRecordStructureExpr() | 
| .NET setter property | ENEQuery.NavRecordStructureExpr | 
| Type | <string> | 
| Description | Sets the Endeca Query Language expression for the navigation query. The expression will act as a filter to restrict the results of the query. The Nrs parameter must be URL-encoded. For clarity’s sake, however, the example below is not URL-encoded. | 
| Object | Navigation | 
| Dependency | N | 
/controller.php?N=0&Nrs=collection()/record[type="book"]