I need help to Extend RapidMiner

hanam001

Hello Every body
I'am a student. i come from Viet Nam.
My teacher want me code a simple Extend RM.
I was read How to Extend RapidMiner 5 book. But my english not good.
I not have time.
So any body can to help me design (source code) 1 extend of RM like apriori algorithm.
Thanks you for read that