BaseSubscriptionRequestType.Watermark Property
The Watermark property gets or sets an event bookmark in the mailbox events table.
Namespace: ExchangeWebServices
Assembly: EWS (in EWS.dll)
Syntax
'Declaration
Public Property Watermark As String
Get
Set
'Usage
Dim instance As BaseSubscriptionRequestType
Dim value As String
value = instance.Watermark
instance.Watermark = value
public string Watermark { get; set; }
Property Value
Type: System.String
The Watermark property returns a string that represents an event bookmark.
Remarks
The Watermark property is used to create a subscription that starts at an event that is represented by the watermark. If the watermark from a Subscribe request is not found, an error response will be returned to the client. This error may occur if the watermark is older than 30 days or if the watermark was never present in the mailbox.