We can filter the contact list according to the accounts added to the Xiaomi smartphone, for example, by selecting only the WhatsApp contacts view.

Android 10 (MIUI 12.0)
Step 1:  Open the  Contacts app
Step 2:  Tap on the  current filter
Step 3:  Choose an  account  to filter the displayed contacts
  1. Open the Contacts app
  2. Tap on the current filter
  3. Choose an account to filter the displayed contacts

Xiaomi Instructions