||Determine what to return if an error is encountered.
||The CE space of the discussion you are trying to retrieve. Optional. Defaults to handler info property.
||If searching by a related item, this is the type of the related item key. e.g. Submission
||If searching by a related item, this is the key of the related item. e.g. a GUID
||Determines if searching should only be done against archived discussions. Set to true to search archived, anything else not to.
||Any ISO 8601 date/time format for the start range of the last message created.
||Any ISO 8601 date/time format for the end range of the last message created.
||Match against discussion title.
||Limit the number of returned search results.