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Hover on the Codebeamer item, you want to navigate to.
Open the local menu and select Open in original tool. This will navigate you to Codebeamer, into the right project, into the right tracker with the right requirement selected.
Inspecting the delegated UI of a linked Cameo item in Codebeamer
On the Codebeamer side, having opened the requirement in Item View you can inspect the list of links of the requirement in the Links tab.
If you switch to Document View, you see the list of links of the selected requirement under the Smartfacts plug-in tab.
Use ###Open in local viewer### Hover on the title of the link to open the delegated UI of the SysML diagram or model element.
Adding a link on the Codebeamer side
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Click the + button.
Select a link type.
Make sure that the right OSLC artifact container is selected. This will load the delegated search & select UI. You can search, navigate, pick from the list of favorites or recently opened artifacts.
Click generate link. This will add the link to the list of links.