Click the parameter's identifier from the grid to open its profile page.
Update Parameter's detail
From here, you can update parameter information like Identifier, Status, Description. The @ symbol indicate how you use or define the parameter in qTest Manager.
Parameter Value Grid
This section allows you to create/update/delete values for your parameter. The changes on Parameter's values are automatically saved.
Please check this article for functionalities on the Parameter Value Grid
Update Parameter's Projects
From here, you can update parameter's Projects. By default, a parameter is assigned to all projects the logged-in user have access to.
A parameter should belong to at least one project, so you will not be allowed to remove all projects from the drop down.
Save/ Archive / Back
Click Archive button to archive a parameter.
Click Save to save all changes and go back to the Parameter Grid
Click Back to go back to the Parameter Grid. A reminder will appear when you go back without saving change.
The Profile page also provides you with additional information around the parameter like its Created Date time, Last Updated Date time, List of qTest Test Cases which are using it, List of Datasets which include it. Please check this article for Test Case Tab and Dataset Tab.