from django.utils.translation import gettext_lazy as _
...
plugin_manager_data = {
    "method_name" : {
        "must_login"    : True,
        "must_admin"    : False,
        "admin_sub_menu": {
            "section"       : _("my own plugins"), # The sub menu section
            "title"         : _("Title of the link"),
            "help_text"     : _("A help text for the admin"),
            "open_in_window": False, # Should be create a new JavaScript window?
            "weight" : 0, # sorting wieght for every section entry
        },
    },
}