Thanks for replying, i have been trying to solve this for aweek now. I
found that changes made to items on the collection arenot detected, only
added or removed items, and as you mentioned,according to documentation,
you should do an update but my questionis how to do this? i mean where
should i call the update, do youhave an example? I have been trying this
but no success If you have an example PLEASE PLEASE help me out