In Test Modeller, you can add tags to Action blocks to identify paths as having Valid data (happy path) and Invalid data (unhappy path). The tag is then displayed in the test case menu, specifying whether the path is happy/valid or unhappy/invalid:

You can furthermore filter Valid and Invalid generated paths, following the instructions in this article.

There are two ways to mark an Action Block.

Method 1

  1. Select the Action Block

  2. Click on the Properties button from the button list on the right of the window

  3. Click in the Data Type dropdown and select one of the options

Method 2

  • Right-click on the Action Block

  • click on the Data Type option to display the sub-options

  • Select the required tag