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## 3 Service Extensions

This topic provides the systematic instructions to perform the basic operations on the selected records.

Using OBX we can create multiple types of service extensions. This services extension has complete infrastructure needed to build to service. Also, the source folder generated out the box from OBX follows the package structure which is adopted and used by base/kernel teams to keep it in sync.

There are two ways to generate the service artifact:

1. Select the category immediately after generating the XDL file and proceed.

   Figure 3-1 XDL File

   Description of "Figure 3-1 XDL File"
2. Use the service specific command to generate different types.

   Figure 3-2 Command

   Description of "Figure 3-2 Command"

Note:

Both above ways will generate the same artifacts.

- Simple Sub Domain Service
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- Maintenance Sub Domain Service
  This topic describes the process to generate the Maintenance Sub Domain Service.
- Data/Resource Segment Sub Domain Service
  This topic provides the systematic instructions to perform the basic operations on the Data/Resource Segment sub domain service.
- Simple Publisher/Subscriber Event Service
  This topic the systematic instructions to perform the basic process to generate simple publisher/subscriber event service.
- Batch Service
  This topic describes the process to generate Oracle Banking Microservices Architecture (OBMA) based Batch service.
- Custom Validation Service
  This topic provides the systematic instructions to generate custom validation service.
- Steps to Adopt Multi in Existing Service
  This topic provides the systematic instruction to adop multi in existing service.
- Field Config Service
  This topic provides the systematic instructions to Field Config Service.