List Subscribers
Lists objects that rely on user credentials, which should be updated when the user's password is changed
Signature: listsubscribers(cinfo, resourceType)
Parameters:
resourceType - The type of subscriber objects that should be listed
Return Value:
ACSuccess 0
ACUnknownError 1
Remarks:
The agent.addSubscriber callback should be used to return the subscriber objects. Refer to agent.addSubscriber callback for full details.