thx aron, i reviewed it and found it works one the serverside and calls a client webservice, that is not what i exacly need, i do it now by the checkin policies. thx for the advice anyway, i learned a lot ；）

Regards

Yang

Hi,

Take a look at this which includes an event service and a utility called bissubscribe.

http://msdn.microsoft.com/en-us/magazine/cc507647.aspx

Aaron

can anyone please help?