Inbound: The class is used for data coming in to the desktop system (that is, data uploaded from the APM Remote client).
Outbound: The class is used for data being transferred from the desktop system (that is, data downloaded from the desktop system to the APM Remote client).
Both: The class is used for both uploads and downloads.

Base class user key: A unique name or number used to identify each instance of an object in the base class. Some object user keys can be edited by APM users. For example, the user key for an asset is the Asset number.
Object ID: A unique object identification number used to identify an instance of an object in the base class, assigned and managed by APM.
Interface class user key: A unique name or a number used to identify each instance of the interface class. You can select one or more of the interface class properties to be the user key.
Universal ID: A unique identification number generated by the system. This number will always be the same in both the desktop and remote databases.

Add only: The class is restricted to adding new objects to the database.
Update only: The class is restricted to updating existing objects in the database.
Both: The class is used for both additions and updates.

Select whether the interface class is used for all methods or for selected methods only. If you select Use for the following methods only, you can add methods to the list using the Browse button.