UiPath Studio supports data-driven testing using external datasets, including Excel workbooks. When multiple test cases reference the same dataset, maintaining synchronized data definitions is essential for consistency.

Option D correctly describes the documented procedure for propagating changes made to a shared Excel data source.

The developer begins by opening the Studio project and locating a test case that uses data variations.

From the Project panel, the developer right-clicks the test case and selects Update test data. The appropriate file-based data source is selected, followed by the updated Excel workbook and worksheet.

Studio identifies the available data variations and allows the developer to import the revised data.

Selecting Update all test cases using the same test data applies the updated dataset to other test cases referencing that source.

UiPath documentation explicitly states that newly added Excel columns are added as arguments to the test case.

Option A incorrectly selects Existing data, which refers to test data already stored within the project. Option B removes the data association rather than updating it. Option C introduces unnecessary manual JSON editing and does not represent the documented shared-update workflow.

After importing the changes, developers should verify the generated arguments and ensure the test logic uses the new data fields appropriately.

Official UiPath Reference(s): Studio User Guide — Data-Driven Testing; Manage test data; Update test data.