With the Audioflow App v3.0 and iOS 18+ you are able to create iOS Shortcuts which include Audioflow Actions. You can activate these shortcuts with Siri by saying "Hey Siri, <Name of your Shortcut>".

For example, you can create a Shortcut in iOS and select an Audioflow action to turn on your garden speakers. If you name this Shortcut 'Turn on garden speakers', this will allow you to say the command "Hey Siri, turn on garden speakers".

Simply create as many Shortcuts as you like for each of the actions you would like to carry out with Siri.