4D is an ever-evolving tool to keep up with paradigm shifts and technological demands. As computing resources become more powerful and cheaper, software has been changing to utilize these resources to provide more without foregoing performance. While 4D still has its classic programming language style, it has taken queues from other popular languages to implement a new language style that modern developers can adapt to easily with ORDA and object notation. 4D also allows code to be executed preemptively, allowing for better performance with multi-threaded processing. To utilize this feature, one of the classic programming styles that must be replaced is the use of 4D’s interprocess variables. This Technical Note will go over interprocess variables and provide suggestions on how to replace them. An example database with coded examples of interprocess variables and replacement suggestions is also provided.