External Modules

It is recommended that you use external modules for certain aspects of your application, especially in circumstances where you adding supplemental, custom tag drawing methods, plug-ins, and tag properties folders. Keeping such modules external ensures that you do not need to modify the code of the tag or other host module (such as a custom service) itself; rather, the tag or host module simply refers to the external module using a Shared variable, and the Shared variable points to the external module.