1 on 1 Chat This is a chat between 2 users (ie not group chat) Broadcast A direct message sent to person(s) in a list. View our Broadcasts and Lists FAQ Chat Group List of people Chat Header The Header at the top of the chat screen Contacts Contacts ...
From inside of the group chat, tap sign, then select 'Add Members'. Select the new members and tap Save to return to the chat. The person will be automatically added to the Group Chat and the Chat Group. (Only the Group Admin can add members).