No. User code blocks require special handling in the BX code generation phase to preserve your changes. However, user code blocks have been a key BX feature for a long time, and we've taken input from many users over the years on their locations. It is likely that anything you would like to do, can be supported by an existing user code block. If you believe that you have some unique need, please send a description to support@ics.com. If we can't suggest how you can use an existing user code block, we'll consider adding it!