You are invoking a workflow file called SecondaryWorkflow.xaml from PrimaryWorkflow.xaml. The following shows the Import Arguments panel of the Invoke Workflow File activity:

In addition, the following reflects the Arguments panel in SecondaryWorkflow.xaml:

You use a Log Message activity in "SecondaryWorkflow.xaml" to print the value of the argument "in_WelcomeMessage".
What is the expected result of executing "PrimaryWorkflow.xaml"?