Adding the variables

Follow these steps to add the variables:
  1. Click the Add Variable figure Add Variable.
  2. Switch to the Properties view. The Display name field is set to GetNewsArticlesProcess. The Name field is set to GetNewsArticlesProcess.
  3. In the details section, click the Description tab.
  4. In the Name field, type GetNewsCategoriesInput.
  5. In the details section, click the Details tab.
  6. Click Interface.
  7. In the Interface list, type NewsCategoriesInterface.
  8. From the list, click NewsCategoriesInterface.
  9. Click Input.
  10. Switch to the GetNewsArticlesProcess editor.
  11. Click the Add Variable figure Add Variable.
  12. Switch to the Properties view.
  13. In the details section, click the Description tab.
  14. In the Name field, type GetNewsCategoriesOutput.
  15. In the details section, click the Details tab.
  16. Click Interface.
  17. In the Interface list, type NewsCategoriesInterface.
  18. From the list, click NewsCategoriesInterface.
  19. Click Output.
  20. Switch to the GetNewsArticlesProcess editor.
  21. Click the Add Variable figure Add Variable.
  22. Switch to the Properties view.
  23. In the details section, click the Description tab.
  24. In the Name field, type GetNewsArticlesInput.
  25. In the details section, click the Details tab.
  26. Click Interface.
  27. In the Interface list, type NewsArticlesByCategoriesInterface.
  28. From the list, click NewsArticlesByCategoriesInterface.
  29. Click Input.
  30. Switch to the GetNewsArticlesProcess editor.
  31. Click the Add Variable figure Add Variable.
  32. Switch to the Properties view.
  33. In the details section, click the Description tab.
  34. In the Name field, type GetNewsArticlesOutput.
  35. In the details section, click the Details tab.
  36. Click Interface.
  37. In the Interface list, type NewsArticlesByCategoriesInterface.
  38. From the list, click NewsArticlesByCategoriesInterface.
  39. Click Output.
  40. Switch to the GetNewsArticlesProcess editor.
  41. Click the Add Variable figure Add Variable.
  42. Switch to the Properties view.
  43. In the details section, click the Description tab.
  44. In the Name field, type isCategoriesSpecified.
  45. In the details section, click the Details tab.
  46. Click Data Type.
  47. Click Browse. The Data Type Selection window opens.
  48. Click boolean.
  49. In the Filter by type, namespace, or file (? = any character, * = any String) field, type boolean.
  50. Click OK.

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