Set up Siri Shortcut
In the iOS app
Open the Sugarmate app
Tap the ≡ button in the top left corner of the screen
Tap Settings
Tap Siri Shortcuts
Tap Add to Siri on the "Current Reading" entry
Optionally adjust the phrase, then tap Add to Siri
Activate Siri by holding down the side button on your phone (or saying "Hey Siri"), then say the phrase from Step 6 (default is "what's my sugar")
If you already set up the shortcut and Siri is displaying your reading, but not reading it, try the steps below instead:
Open the Shortcuts app on your phone
Delete all Sugarmate shortcuts
Restart your phone
Follow the steps above ("Set up Siri Shortcut") to re-add your shortcut and try again