Adding members
1. Select a dialog and click on the 
2. Click Add Participant.
3. Click Select Members.
4. In Contacts, select the members to add.
5. Write a welcome message and click Invite to Group.
The WhatsApp group will display adding members to the group.
Deleting members
1. Select a dialog and click on the 
2. Opposite the contact, click on the icon.
3. Confirm contact deletion.
The WhatsApp group will display the removal of members from the group.
