SPBuiltInFieldId.MessageId Field
Identifies a field that contains the message ID that is associated with the specified SharePoint Foundation object.
Namespace: Microsoft.SharePoint
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Syntax
'Declaration
Public Shared ReadOnly MessageId As Guid
'Usage
Dim value As Guid
value = SPBuiltInFieldId.MessageId
public static readonly Guid MessageId