The Dx parameter sets the option set that dimension search will use.
| Parameter | Dx | 
| Name | Dimension Search Options | 
| Java setter method | ENEQuery.setDimSearchOpts() | 
| .NET setter property | ENEQuery.DimSearchOpts | 
| Type | <string>+<string>+<string>... | 
| Description | Sets the dimension search options used in search mode and relevance ranking. Uses the spell+nospell option for disabling spelling correction and DYM suggestions on individual queries. | 
| Object | Dimension Value Search | 
| Dependency | D, Dk | 
/controller.php?D=mark+twain&Dk=1&Dx=rel+exact,static(rank,descending)
/controller.php?D=blue+suede+shoes&Dx=mode+matchallpartial+spell+nospell