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## 9 Extensibility Use Cases for OBX

This topic provides the systematic instructions to perform the basic operations on the Extensibility Use Cases for OBX.

This topic describes the following sub-topics:

- New Transaction screen – 1499 (Clone of 1401)
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- New Data Segment in Existing 1401 Screen
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- HTML Changes
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- JS Changes
  This topic provides the systematic instructions to JS fields.
- JSON Changes
  This topic describes the changes JSON fields across all the screens.
- Model Changes
  This topic provides the systematic instructions to Model Changes.
- Database Changes
  This topic provides the systematic instructions to Database Changes.
- Service Component
  This topic provides the systematic instructions to the Service Component.
- New Field in Existing Base Data Segment
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- HTML Changes (Extended Components)
  This topic describes the changes Extended Component HTML fields across all the screens.
- HTML Changes (Base Component)
  This topic describes the bade components HTML fields changes for all the screens.
- JS Changes (Base Component)
  This topic describes the base components JS fields changes for all the screens.
- JS Changes (Extended Component)
  This topic describes the extended components JS fields changes for all the screens.
- JSON Changes (Extended Component)
  This topic describes the extended components JSON fields changes for all the screens.
- JSON Changes (Base Component)
  This topic describes the base components JSON fields changes for all the screens.
- DB Changes
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- Add New Columns in Base Component Table
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- Steps for adding extra column in task grid
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- Steps to use Additional Buttons provision in Task Screen
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- Steps to create common-extended folder for extending configJSON.js file
  This topic provides the systematic instructions to perform the basic operations on common-extended folder for extending configJSON.js file.
- Customizing Existing LOV Fetch Result
  This topic provides the systematic instructions to perform the basic operations on the Customizing Existing LOV Fetch Result.
- Steps for adding Pre/post methods in extended components
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- ENDPOINT Overrides
  This topic describes the endpoint overrides.
- Steps to create util-extended folder
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- Dynamic Data Configuration (DDC)
  This topic provides the systematic instructions to perform the basic operations on the selected records.
- Task Screen Custom Config
  This topic provides the systematic instructions to perform the basic operations on the selected records.