public static UpdateDefinition<TDocument> CurrentDate<TDocument>(
	this UpdateDefinition<TDocument> update,
	Expression<Func<TDocument, Object>> field,
	Nullable<UpdateDefinitionCurrentDateType> type = null
)

<ExtensionAttribute>
Public Shared Function CurrentDate(Of TDocument) ( 
	update As UpdateDefinition(Of TDocument),
	field As Expression(Of Func(Of TDocument, Object)),
	Optional type As Nullable(Of UpdateDefinitionCurrentDateType) = Nothing
) As UpdateDefinition(Of TDocument)

[<ExtensionAttribute>]
static member CurrentDate : 
        update : UpdateDefinition<'TDocument> * 
        field : Expression<Func<'TDocument, Object>> * 
        ?type : Nullable<UpdateDefinitionCurrentDateType> 
(* Defaults:
        let _type = defaultArg type null
*)
-> UpdateDefinition<'TDocument>