Defining the properties of tJavaRow

Procedure

Select the tJavaRow component to define its properties.
In the Basic settings tab, click the [...] button next to Edit schema to define the schema.
Click the [+] button to add a column to the input schema on the left, of type String, rename it outputKey, copy it to the output schema on the right, and then click OK.
Add the following code in the Code section.String actualOutput = out.outputKey; System.out.println("======" + actualOutput + "======");

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