Creating variables and parameters

In this recipe, we will extend the functionality of our Hello World dataflow (see the Understanding the Designer tool recipe from Chapter 2, Configuring the Data Services Environment). Along with the first row saying "Hello World!", we will generate the second row, providing you with the name of the Data Services job that generated the greetings.

This example will not just allow us to get familiar with how variables and parameters are created but also introduce us to one of the Data Services functions.

Getting ready

Launch your Designer tool and open the Job_HelloWorld job created in the previous chapter.

How to do it…

We will parameterize our dataflow so that it can receive the external value of the job name where ...

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