In Chat Plus, you can change the height of the text area for operators.
It is useful and easy to see when the reply to the chat becomes long.
(1)Click operator's name at the top right of the screen.
(2)Click [Profile setting]
(3)Click [Detailed Setting]
(4)In the box "Height of the text area", enter a number.
(6)This will change the height of the text area.