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Event Type 
An event occurs when an application notifies the IOITF of a significant occurrence. An occurrence is significant if the application’s control flow depends on information about the individual object or the individual object is influenced by this event. The event type contains the meta data for such events.
There are two forms of events: explicit and implicit events. An event is explicit when the event type is known to the application prior to run-time. Implicit events are only known and determined at run-time. Unless otherwise noted, we assume the event is explicit.
1. Create a list of all events that your application needs to raise.
2. Register them with the IOITF as follows. From the SAP Implementation Guide (IMG), choose Customer Relationship Management à Master Data ® Products à Individual Objects à Individual Object Integration Framework (IOITF) à Event Type à Define/Register Event Types
3. Enter the event type ID.
4. Save your entry.

Any event that will be raised by your application must be registered with the IOITF.
In the delivered example for software entitlements the following event types are registered and are therefore known to the IOITF.
Delivered Event Types
Event Name |
Description |
ISHT_DOWNLOAD |
Software entitlement’s binary was downloaded |
ISHT_EXTEND_MAINTENANCE |
Maintenance contract for software entitlement was extended |
ISHT_MAINTENANCE_EXPIRED |
Maintenance contract for software entitlement expired |
ISHT_MAINTENANCE_PURCHASED |
Maintenance contract for software entitlement was purchased |
ISHT_PRODUCT_REGISTERED |
Software entitlement was registered |
ISHT_PRODUCT_RETURNED |
Software entitlement was returned |
ISHT_UPGRADE |
Software entitlement’s binary was upgraded to a higher version |
IOITF: Events
Event Name |
Application Context |
Individual Object Context |
EHIO Relevant |
ISHT_DOWNLOAD |
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ISHT_EXTEND_MAINTENANCE |
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ISHT_MAINTENANCE_EXPIRED |
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ISHT_MAINTENANCE_PURCHASED |
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ISHT_PRODUCT_REGISTERED |
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ISHT_PRODUCT_RETURNED |
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ISHT_UPGRADE |
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