string CallOperation(
	string operationName,
	string operationArgument,
	ProvisioningService service,
	string accountId
)

Function CallOperation ( 
	operationName As String,
	operationArgument As String,
	service As ProvisioningService,
	accountId As String
) As String

String^ CallOperation(
	String^ operationName, 
	String^ operationArgument, 
	ProvisioningService^ service, 
	String^ accountId
)

abstract CallOperation : 
        operationName : string * 
        operationArgument : string * 
        service : ProvisioningService * 
        accountId : string -> string