Edit a Build Definition
To edit a build definition, you must have the Edit Build Definition permission set to Allow. For more information, see Team Foundation Server Permissions.
To edit a build definition
On the menu bar, choose View, Team Explorer.
In Team Explorer, choose Home , and then choose Builds.
On the Builds page, open the shortcut menu of a build and choose Edit Build Definition.
The build definition window appears. For information on using this window, see Create a Build Definition.