Event-Based Fulfillment
A performance obligation can be fulfilled on the occurrence of a certain event, such as a goods issue. In this scenario, you can set the fulfillment type to Event-Based
and define the appropriate type of event that triggers the fulfillment of the performance obligation.
Prerequisites
This system tracks fulfillment against event types that are defined in the following Customizing activity: 
Financial Accounting
Revenue Accounting
Revenue Accounting Contracts
Define Fulfillment Event Types
