It looks like the Mixer Channel template was updated in Halion 6.2 and it is now possible to filter the outputs that are made available by the menu. According to manual there are several tags that can be used. My experience so far has been that sometimes it works, sometimes it doesn’t seem do anything and very often Halion crashes when actually trying to select an option from the menu of available output busses.
HALion 6LOG.zip (1.2 KB)