How to send a message to a group?

Is there a way to send a message to an entire group?
Yes, there is a way to send a message to an entire group. Just select the group and click the “Text chat” button.
    1. A “Create Chat room” window¬†will open with the users that belong to that group.
    2. Choose all users from the group and then click the “Create” button
    3. The new chat room will be created. Write your message and send it. All the group members will receive it.

Also, they can answer you conveniently in the same window.