HTC One M8 for Windows - Manual (Page 93)

Sharing with a group of contacts in real-time
Rooms are places where you can have a group chat and share photos,
videos, calendars, and more.
Creating a new room
Only contacts with Windows Phone 8 or later can participate in a
room. When you create a room, you are the owner of the room. All
other room members are guests.
1. On the Start screen, tap the People tile.
2. On the rooms and groups screen, tap > Room.
3. Enter a name for the room and tap .
4. Tap and then choose a contact to invite to the room. Repeat to
invite more contacts to the room. Invitations to the room are sent
by text message.
5. When you're done, tap .
Press and hold a room tile on the rooms and groups screen to pin
it to the Start screen.
Inviting contacts to a room
1. Tap the room you want to invite contacts to.
People 93