If you have already implemented an OData Channel application in your system, you can later specify this for push/pull functionality.
Make sure the following prerequisites are fulfilled:
The software component IW_BEP is installed in your backend system.
You have already created an OData Channel application and you want to enable the push/pull functionality.
Open your OData Channel metadata and data provider classes in SE24.
On tab Properties choose Change Inheritance.
Specify that you want to keep your existing implementations of redefined methods.
Continue with the implementation as described in.
Activate and save your class.