Why wont my Forerunner 165 link to whatsapp? Everything else via iphone is linked

Question

Have a new Forerunner 165. Linked to iPhone and all notifications coming through fine including third part such as ring door bell. But whatsapp not working at all. Any advice

Garmin - SP · Answer

You'll need to make sure you have downloaded the Connect IQ WhatsApp from the CIQ Store. You can follow the instructions linked here: Using the Connect IQ WhatsApp Application on a Garmin Watch 
 If you are still having trouble with the WhatsApp notifications going to your watch, please reach out to WhatsApp below. 
 https://www.whatsapp.com/contact/noclient