There are several ways to customize the behavious of LAPSE.
First, one can edit the configuration files shipped with the plugin. Files sources.xml and sinks.xml can be edited to augment the set of source and sink methods, respectively. The format of these files should be pretty self-explanatory.
Another approach consists of filtering out certain types of vulnerabilities in source and sink view by selecting a filter menu:
Customizing the behaviour of the provenance tracker can be done through the dialog shown below. This dialog box can be reached by clicking on an icon within the propagation view.