Sorry, but there are currently no built in functions available to make a character say something.
The only methods currently would be to use a value to store a string, then start a called by other action which contains a display text that is linked to the value. The other would be to use the Lua draw functions to draw the text & startAnimation function to start the talk animation of the relevant character, but to be honest neither methods are particularly practical.
Here's your first lesson in Lua, it's Lua, not LUA.
![wink wink](https://images.siteface.net/_js/BBCEditor/icons/smiley-wink.png)
Lua is a noun, it's the Portuguese word for Moon.