paid one hah, so bring extra batteries, cf card etc, you will need it.
like deadpoet say, juz shoot all the way.
may encounter parent bring alot of kids to take group photo, so becarefull. also, while the birthday kids take present, also shoot, or though he or she don't know what happen, juz shoot.
alot of guest will try to play with the birthday kid, juz concentrate on their xpression.
where is the place? hotel then careful, set iso to 800, b safe. if normal home like pte house, then iso 400 can liao, then bounce the flash all the way. then cut cake please be fast, cos the small kid may not can't smile that long.