Configuring a Basic Diff Checker 
- Design a workflow.
- In the design workspace, from the User Interface section, drag and drop the Diff Checker task.
- In the Diff Checker task window, under Properties, in the Configurationsection, select Diff type as Basic.
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Enter the Content to be compared or reference content
from any previous workflow task as a variable.
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Under Source config, select the source column against
which the diff checker comparison must be made.
- Connect the workflow tasks.
- From the command bar on the top, click Preview.
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Upload the source files.
Basic Diff Checker allows you to compare the data.