How to be an excellent cashier at target, with zero experience?

I'm really excited i got my first job, and i applied to target as a cashier position and they're starting me off as a seasonal team member...... im not sure what they're ganna teach me or have me do, like are they ganna start me off at the cash register or make me stock shelfs? if so how do the cash registers work and any advice on how to be awesome at it so they hire me part time?...........advice on what it takes? i need this job im paying for college!! XD