7. (Optional) Clean up your K2 environment by deleting the application artifacts

This optional step describes how you can clean your K2 environment by deleting the workflow you created in this tutorial. For example, if you are working in a shared environment, you may want to delete your tutorial applications to keep your environment clean and tidy.

Use the K2 Management site to delete deployed workflows

In this step, you delete any active processes for the Hello World workflow, then you delete the workflow itself.

1. From the K2 Management site, delete any process instances associated with the Hello World workflow. You are deleting any process instances that are active, running, stopped, or in error. You can also choose to remove reporting data as well.
   Location: Categories > K2 Learning > Hello World Workflow > Hello World (workflow) > Instances (remember that K2 Learning might have a different name in your environment).
   1. From the Categories menu, navigate to the K2 Learning > Hello World Workflow node (remember that K2 Learning might have a different name in your environment). Select the Hello World workflow.
      
   2. In the central pane, click the Instances tab. Check to see if there are any active process instances. (You may not have any if you actioned each instance you started.)
      
   3. If you have active instances, select the first one and click the Delete button. You see a message that asks if you want to delete reporting data as well. Check the Delete Reporting Data (Logs) box and click Delete. You are deleting the reporting data K2 generated for the process instance, along with the process instance.
      
   4. Repeat the step above and delete any remaining process instances.
2. Delete all versions of the workflow. You may see more than one version and you have the option to delete all versions or specific versions. In this case, you delete all versions along with the historical data and workflow reporting SmartObjects.
   Location: Workflow Server > Workflows > Hello World Workflow > Hello World (workflow) > Versions.
   1. Expand the Workflow Server > Workflows node. Expand the Hello World Workflow category and select Hello World.
      
      
   2. In the central pane, click the Versions tab. In the image below, there is only one version of the Hello World workflow. You may have several versions, depending on how many times you deployed the workflow. Notice the columns for Active, Running, Stopped, and Error instances. You should see zeros here, since you deleted all process instances in the prior step. Select a version and click Delete.
      
   3. On the Delete Workflow screen, select Delete all versions, then check the option to delete all historical data and workflow reporting SmartObjects. Click OK.
      

Use K2 Designer to delete application elements

The next step is to remove the workflow from K2 Designer.

3. In K2 Designer, delete the Hello World workflow design file. (In the previous step, you removed workflows published to the K2 server. In this step, you are removing the "design" copy of your workflow.)
   Location: All Items > K2 Learning > Hello World Workflow > Hello World. Remember that the K2 Learning category might have a different name in your environment.
   1. Return to K2 Designer. Navigate to your K2 Learning > Hello World Workflow category - remember that the K2 Learning category might have a different name in your environment . Right-click Hello World and select Delete. Click Yes for the confirmation.
      
4. Delete the learning categories. Delete Hello World Workflow first, then K2 Learning if you do not intended on building anymore applications from tutorials.
   1. Delete the application’s categories. Right-click the Hello World Workflow category and select Delete. Click Yes for the confirmation. Note that when you have subcategories, for example Forms, Views, SmartObjects, you must delete the subcategories first and then parent category.
      
   2. Finally, you can delete the K2 Learning category if you do not intend building more tutorials. Remember that the K2 Learning category might have a different name in your environment.

Summary

If everything worked as expected: Congratulations! You have completed the Hello World - Workflow tutorial. You should now understand the basics of creating workflows with K2, configuring steps in the workflow, interacting with a workflow as a user, and using the management site to manage the workflow.