First create solution

Nuvolar.Module/Controllers/Interfaces/IModelActionExtender.vb

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+Imports Microsoft.VisualBasic
+Imports DevExpress.Data
+Imports System.ComponentModel
+Imports DevExpress.ExpressApp.DC
+Imports DevExpress.ExpressApp.Model
+Imports DevExpress.ExpressApp.Editors
+Imports DevExpress.ExpressApp
+Imports DevExpress.ExpressApp.Templates
+
+
+#Region "INTERFACE"
+Public Interface IModelActionExtender
+    <Category("SIS")> Property SISGroup1 As String
+    <Category("SIS")> Property SISGroup2 As String
+    <Category("SIS")> Property SISDescription As String
+    Property FocusItem As String
+    <DefaultValue(True)> Property VisibleInCompany As Boolean
+End Interface
+#End Region