Openerp 7 Custom Module Form View show success message after creating new record. 

Based on the requirement core module below highlighted code is added. (The below code is working without any issue).

File: addons/web/static/js/view_form.js

    on_button_save: function() {
        var self = this;
        return this.save().done(function(result) {
            self.trigger("save", result);
            /* The Below code is added for Cusom Module */
            if (self.model=='Module Name')
            {
              self.do_notify("Emp", "Record ID " + result + " Successfully Created");
             }
            /* End */
            self.to_view_mode();
        }).then(function(result) {
            var parent = self.ViewManager.ActionManager.getParent();
            if(parent){
                parent.menu.do_reload_needaction();
            }
        });
    },

The above code how to inherit in Custom Module custom_module/static/src/js/custom.js. I tried instance.web.FormView inherit with extend and include keyword but failed to get output.  please guide me the same.