Unfortunately, AutoVera Status Updates are not available to all plugins. Unless the plugin is built with a standard protocol, which some are, it has to be manually added to the AutoVera plugin. The Multiswitch Plugin has been requested numerous times and will be the next to be added. That being said, you have a some alternative options.
The first alternative solution is to create a Virtual Switch and then toggle it whenever you need to trigger a Status Update, with a MultiSwitch, or PLEG, or any other suitable plugin. Virtual Switches and Combination Switches both offer Status Updates so you use use Scenes with any number of Triggers to toggle these Virtual Switches. This may seem tedious, but its 100% effective. As part of your AutoVera Status Update task, you can send an AutoVera Device action to reset the Virtual Switch, if necessary.
You could also choose to take advantage of AutoVera Device Info actions, which will return all available values for all plugins, on demand. Any and every plugin will always report all of its values. This explains the diversity of AutoVera variables available to you within Tasker. An example scenario would be to use an AutoVera Status Update from a Virtual Switch to send an AutoVera Device Info to your MultiSwitch or Variable Container. In that task, you can use the values returned for each Plugin setting/variable to decide how your phone should react.