IndexKeysDefinitionExtensionsGeoHaystackTDocument Method (IndexKeysDefinitionTDocument, ExpressionFuncTDocument, Object, ExpressionFuncTDocument, Object)

[ObsoleteAttribute("GeoHaystack indexes were deprecated in server version 4.4.")]
public static IndexKeysDefinition<TDocument> GeoHaystack<TDocument>(
	this IndexKeysDefinition<TDocument> keys,
	Expression<Func<TDocument, Object>> field,
	Expression<Func<TDocument, Object>> additionalFieldName = null
)

<ExtensionAttribute>
<ObsoleteAttribute("GeoHaystack indexes were deprecated in server version 4.4.")>
Public Shared Function GeoHaystack(Of TDocument) ( 
	keys As IndexKeysDefinition(Of TDocument),
	field As Expression(Of Func(Of TDocument, Object)),
	Optional additionalFieldName As Expression(Of Func(Of TDocument, Object)) = Nothing
) As IndexKeysDefinition(Of TDocument)

[<ExtensionAttribute>]
[<ObsoleteAttribute("GeoHaystack indexes were deprecated in server version 4.4.")>]
static member GeoHaystack : 
        keys : IndexKeysDefinition<'TDocument> * 
        field : Expression<Func<'TDocument, Object>> * 
        ?additionalFieldName : Expression<Func<'TDocument, Object>> 
(* Defaults:
        let _additionalFieldName = defaultArg additionalFieldName null
*)
-> IndexKeysDefinition<'TDocument>