TestStand puts the result where you tell it to put it. When you select "Specify Module", The VI's outputs are displayed. In the value column, you need to specify which TesStand variable to assign to each output of the VI. If you have a single numeric output, you can assign it to step.result.numeric (click on the f(x) button), but you can assign it to any variable you have defined. As part of the TestStand Bookshelf (help menu), is the pdf file called Using LabVIEW with TestStand. You should read this for additonal details.