At design time, the collaboration developer specifies the business objects whose receipt by the collaboration triggers the execution of each scenario. When you configure and enable a collaboration, the collaboration starts up. The collaboration subscribes to all of the business objects that trigger its scenarios, and then it waits.
When a connector agent sends its controller one of the subscribed-to business objects:
Once you have configured and enabled a collaboration, you do not need to enable it again unless you explicitly disable it. If InterChange Server shuts down and restarts, it also restarts all previously active collaborations.