Login nas a broadcaster. Go to the broadcast option and begin broadcasting. It will aks you for permission to use your mic & cam, agree and your stream should start.
Login as a member from a seperate PC or browser and visit the chat page of the broadcaster acount you're using and you should be able to see and hear your live stream.
Pay Per Minute Chat
The script gives you the option to start a private chat, other members will then be given the option to joing the chat as a spectator for the same or a different set fee.