Absolutely no need for a script.
I've moved this thread to Ace Support. Please be sure to post your threads in the correct forum next time. Thank you.
You need to reserve an additional, unused actor to use the name input processing to allow the player to enter text (it doesn't matter that the engine will store this text as an actor name, that's why it needs to be an actor that is unused).
Then use conditional branch - actor name is "whatever" to check if the player entered the correct text.