Here they are but I should note that I'm just passing the query string manually at this point. This filter is used for categories only at the moment. The way I interpreted the filter system working is that the search results webpart looks at the query string and filters the results based on the parameters passed.


Webpart properties (Smart search filter)

Alias path: /Departments/DevSite/Search
Zone ID: SearchControl


Default


Web part control ID: SearchFilter

Web part title:

Disable view state: False

Disable macros: False


Visibility


Visible: True

Hide on subpages: False

Show for document types:

Display to roles:


Filter properties


Search webpart ID: SearchDialog

Filter mode: checkbox

Filter layout: vertical

Filter auto postback: False

Values:

Query name: CMS.Root.CategorySearchFilter

Query WHERE condition:

Query ORDER BY clause: CategoryDisplayName

Filter clause: +

Default selected index:

Filter is conditional: True


Partial caching (hidden)



Web part container


Web part container:

Container title:

Container CSS class:

Container custom content:

Hide container on subpages: False


HTML Envelope


Content before: <div id="searchFilter">

Content after: </div>


AJAX


Use update panel: False


Time zones


Time zone: inherit

Custom time zone:


Partial caching

Try putting this in your search results web part for Search Condition:

{%IfEmpty(QueryString["datefilter"],"","+DocumentCreatedWhen:" + QueryString["DateFilter"])%}

Just a note: I have to take the "DocumentCreatedWhen:" out of the query string to get this to work since the search results will add it.