SPBuiltInFieldId.FirstName Field
Identifies a field that contains the first name for the 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 FirstName As Guid
'Usage
Dim value As Guid
value = SPBuiltInFieldId.FirstName
public static readonly Guid FirstName