There is no universal flow, because all camera brands and apps have different capabilities and ways they work. I have made some screenshots especially for you when using Ring. With ring you need 3 flows in stead of 2. Note that Ring is far from ideal to use for the purpose of face recognition. The ring app can only retrieve a single snapshot on motion, so the chance to get a good snapshot for face recognition is not very high.
Step 1: Create a snapshot when Ring detects motion
Step 2: Send this snapshot to the Face++ app to do face detection
Step 3: If a face is detected, send the info about the face to Telegram
step 1:
step 2:
step 3: