SPBuiltInFieldId.UserField1 Field
Identifies a field that contains the customized information in a field named UserField1 for a person who is referenced by a specified SharePoint Foundation contact 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 UserField1 As Guid
'Usage
Dim value As Guid
value = SPBuiltInFieldId.UserField1
public static readonly Guid UserField1