If you have seen our DW/A WebCast Series, I have placed the script that was used to create the DiscountsApplied DW/A Class.  Enjoy!

 'Create an ADO connection object.
   Dim cnnConnection
   Set cnnConnection = CreateObject("ADODB.Connection")

'Create an ADO command object.
   Dim cmdCommand
   Set cmdCommand = CreateObject("ADODB.Command")

'Create an ADO record object.
   Dim recNew
   Set recNew = CreateObject("ADODB.Record")

'Open a connection (bind) to the provider.
'Modify the values for Catalog, Database, User, and Password to match your
'resources.
   cnnConnection.Open "URL=mscop://InProcConnect/Server=localhost:" & _
    "Catalog=DWSchema:Database=StarterSite_datawarehouse:Trusted_Connection=Yes:" & _
    "FastLoad=True"

'Set the connection in the command object.
   Set cmdCommand.ActiveConnection = cnnConnection

'Turn on "Schema Change" mode.
'SchemaMode can be set to On, True, or 1 to turn the
' schema change mode on.
   cmdCommand.CommandText = "SchemaMode=1"
   cmdCommand.Execute

'Create a new class in the Class Definition table.
   recNew.Open "Class/DiscountsApplied", cnnConnection, _
    adModeWrite, adCreateOverwrite

'Set the attributes.
   recNew("ClassDefName") = "DiscountsApplied"
'Always set SourceDefName to test_Source for new classes.
   recNew("SourceDefName") = "test_Source"
   recNew("Description") = "Discount Applied."
   recNew("GenerateTableDef") = 1
   recNew("GeneratePartitionDef") = 1

'Create your own key.
   recNew("GenerateKeyDef") = 0

   recNew("GenerateIdentity") = 1

'Save the new row.
   recNew("__Commit") = 1
   recNew.Fields.Update
   recNew.Close

'Create an instance in the Member Definition table for the first member.
   recNew.Open "Member/DiscountsApplied/OrderGroupId", cnnConnection, _
    adModeWrite, adCreateOverwrite

'Set the attributes.
   recNew("ClassDefName") = DiscountsApplied
   recNew("TypeName") = "UUID"
   recNew("Description") = "Identifier for an Order Group."
   recNew("IsPrimaryKey") = 0
   recNew("DefaultValueAsStr") = "{00000000-0000-0000-0000-000000000000}"
   recNew("MemberDefName") = "OrderGroupId"
   recNew("GenerateColumnDef") = 1


'Save the new row.
   recNew("__Commit") = 1
   recNew.Fields.Update
   recNew.Close

'Create an instance in the Member Definition table for the first member.
   recNew.Open "Member/DiscountsApplied/LineItemId", cnnConnection, _
    adModeWrite, adCreateOverwrite

'Set the attributes.
   recNew("ClassDefName") = DiscountsApplied
   recNew("TypeName") = "UUID"
   recNew("Description") = "Identifier for an Line Item."
   recNew("IsPrimaryKey") = 0
   recNew("DefaultValueAsStr") = "{00000000-0000-0000-0000-000000000000}"
   recNew("MemberDefName") = "LineItemId"
   recNew("GenerateColumnDef") = 1


'Save the new row.
   recNew("__Commit") = 1
   recNew.Fields.Update
   recNew.Close

'Create an instance in the Class Key Definition table.
   recNew.Open "Key/DiscountsAppliedKey", cnnConnection, _
    adModeWrite, adCreateOverwrite

'Set the attributes.
   recNew("ClassDefName") = "DiscountsApplied"
   recNew("Description") = "Unique key for the DiscountsApplied class."

'Save the new row.
   recNew("__Commit") = 1
   recNew.Fields.Update
   recNew.Close

'Create an instance in the Key Member table for the first member.
   recNew.Open "KeyMember/DiscountsAppliedKey/ordergroup_id", _
    cnnConnection, adModeWrite, adCreateOverwrite

'Set the attributes for the first key member.
   recnew("MemDefName") = "OrderGroupId"
   recNew("OrdinalPosInKey") = 0
   recNew("Description") = "First member of DiscountsAppliedKey."
   recNew("KeyDefName") = DiscountsAppliedKey

'Save the new row.
   recNew("__Commit") = 1
   recNew.Fields.Update
   recNew.Close

'Create an instance in the Key Member table for the second member.
   recNew.Open "KeyMember/DiscountsAppliedKey/OrderForm_Id", _
    cnnConnection, adModeWrite, adCreateOverwrite

'Set the attributes for the second key member.
   recnew("MemDefName") = "LineItemId"
   recNew("OrdinalPosInKey") = 1
   recNew("Description") = "Second member of DiscountsAppliedKey."
   recNew("KeyDefName") = DiscountsAppliedKey

'Save the new row.
   recNew("__Commit") = 1
   recNew.Fields.Update
   recNew.Close

 

'Commit the changes to the Data Warehouse schema.
   cmdCommand.CommandText = "CommitSchema"
   cmdCommand.Execute

'Turn off "Schema Change" mode.
'If SchemaMode is set to a value other than On, True, or 1
' it is turned off.
   cmdCommand.CommandText = "SchemaMode=0"
  
   cmdCommand.Execute

'Close the connection.
   cnnConnection.Close


Hope this helps!

Alan