Sample HCM plug-in
You can create your own Host Credential Mapper (HCM) plug-in if those provided with Web Express Logon do not suit your needs. To use your own custom plug-in, you must write the plug-in code and update the web.xml file so the servlet can function with your plug-in.
The following two sections provide more details about writing your own plug-in and updating the web.xml file.