How do I convert this syntax from Construct 2 - 3?

I am trying to follow a tutorial but the tutorial is in construct 2 (https://www.construct.net/en/tutorials/multiplayer-tutorial-chat-room-591/chat-events-3?vic=12)

In Construct 2, you would use: self.text & newline & Function.Param(0)

However, in Construct 3 it is showing an error on the Function.Param(0) part.

How would I write this?

The Function feature was redesigned last year. You'll need to use the new built-in functions instead. The tutorial needs updating to reflect this, but it's a pretty big job...