Samsung also offers vibration patterns with its user interface. When an incoming call is received, the Samsung device (if activated) vibrates with a long standard vibration. Vibration patterns can also be selected in the form of a heartbeat, knocking or waltz.

Android 10 (One UI 2.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Sounds and vibration
Step 3:  Tap on  Vibration pattern
Step 4:  Choose desired  pattern
  1. Open the Settings
  2. Tap on Sounds and vibration
  3. Tap on Vibration pattern
  4. Choose desired pattern

Samsung Instructions