I need to add custom link in side menu /main menu in BonitaBPMCommunity-7.3.1-Tomcat-7.0.67.Any kind of help will be appreciated.
Its not possible in community version. But someone seems to have changed the portal page as a workaround. You can have a look at these. This is for older version you can apply same for your version.
Cheers
Kiran