KeywordQuery class
SharePoint 2013
Represents a search query that uses the SharePoint Enterprise Search keyword syntax. For information about constructing keyword queries, see the Keyword Query Syntax Reference.
System.Object
Microsoft.Office.Server.Search.Query.Query
Microsoft.Office.Server.Search.Query.KeywordQuery
Microsoft.Office.Server.Search.Query.Query
Microsoft.Office.Server.Search.Query.KeywordQuery
Assembly: Microsoft.Office.Server.Search (in Microsoft.Office.Server.Search.dll)
[DataContractAttribute(Namespace = "http://www.microsoft.com/sharepoint/search/KnownTypes/2008/08")] [SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)] [SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel = true)] public sealed class KeywordQuery : Query
For FAST Search Server 2010 for SharePoint, you can also specify the query using the FAST Query Language (FQL) syntax.