Custom Page Parts can be updated and deleted by going to /admin/pageparts/custom.aspx. This page will list each custom page part along with it’s name, icon and the number of instances that exist on the site.
To edit a Custom Page Part, select its name from the list of Custom Page Parts.
You can configure the data model and templates just like a matrix page part. You can also specify its name and icon class. Icon classes should come from Font Awesome’s icons. The Module Name and Custom Page Part Icon Class that are specified here will show up throughout SiteWrench as the Custom Page Part’s definition