Click (Import Method from Referential Integrity) to access the Import Method window:
After supplying your workspace and method group, you need to supply the new method's name and description. In addition, you must also supply the class that drives the referential integrity (the leading class), and the distributed data store.
After selecting Import, the Referential Integrity method is created.
For more information, review the Data Express for Distributed Data Stores Tutorials in this guide.