We can organize contacts on the Huawei smartphone into self-created contact groups, for example to send a group SMS if necessary. We can also assign a custom group ringtone to hear at the ringing who is calling, whether the group Sports or the group Work, for example.
Groups can be named and renamed at any time. When creating
a group, we can choose whether to store it in the Google or Huawei account.

Android 10 | EMUI 10.0
Step 1:  Open the  Contacts app
Step 2:  Tap on  Groups
Step 3:  Tap on  New
Step 4:  Choose an  account
Step 5:  Enter a  name  and tap  OK
  1. Open the Contacts app
  2. Tap on Groups
  3. Tap on New
  4. Choose an account
  5. Enter a name and tap OK

Huawei Instructions