IBMRedbooks Because a starter application can consume or produce events only in connection with one  topic, two applications must be created. To have a level of standardization it is recommended to follow a structure and combine the  information from the product and price-events into one structure to insert it into the Database. The common denominator between the price and the product information is the part-number.  See Figure 6-299 on page 378. 6.10.5 Mapping the received events to the output required Figure 6-298 Test the consumption of events from IBM Event Streams -2 Chapter 6. Practical agile integration  377