how to link a event to a order creation?

Posted by [IP Address: 61.170.139.7] 'cheng' on August 22, 2001 at 02:28:41 EST:

i have created a business object, but i don't know how to link a event of this object to the the creation of sales order?
who can tell me?

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Message: : i have created a business object, but i don't know how to link a event of this object to the the creation of sales order? : who can tell me?