Can I add additional values like rejected, re-open and failed to the Defect State field?
Here are instructions on how to add additional status to the 'State' field under Defects:
1. Click on the Hammer and Wrench on the top of the page.
2. Click on Workspace & Projects
3. Find your Workspace and click on it
4. Click on 'Fields' on the left side of the page
5. Type = Defect
6. Scroll down until you see 'State'
7. Click on the gear next to 'State' and click on Edit
8. Add the Values, one at a time, next to 'Drop Down List Values' and click on 'Add Value'
9. When your done entering all three values, hit Save & Close.
Note that for Drop Down List Values, you can only add additional status to the end of the list.
Additional information on how to create/edit a custom field for a work item can be found at the following link.