Is it possible to print out this in JK? (Prints the player name in the bracket).

"Hello (player name)! Welcome to my level."

What does each of them do? And how do you use them in cogs?

jkStringClear()
jkStringConcatAsciiString()
jkStringConcatPlayerName()
jkStringConcatUNIString()
jkStringOutPut()

Explain how to accomplish the first question.