//will look in app.config for the appSetting 'hipchat_auth_token', 
//or you can pass it in via the constructor
var client = new HipchatClient();

//check source or intellisense for overloads
//create a default room with whoever the api key holder is as owner
HipchatCreateRoomResponse testRoom = client.CreateRoom("My Test Room");

//send a message to the created room with the green background color
client.SendNotification(testRoom.Id, "Hello from Api!", RoomColors.Green);

//delete the room, kicking everyone out
client.DeleteRoom(testRoom.Id);