Add Dexcom to Complication
How to you add Dexcom to Complications on Apple6 Modular Watch Face in middle.
Dexcom is not one of the choices.
Apple Watch Series 6, watchOS 9
Check for updates and restart the iPhone and Watch, and try again. Check the Dexcom documentation for any requirements or restrictions associated with the Dexcom app and its related complications, then contact Dexcom app support.
Here is how to: Contact a third-party vendor - Apple Support