A Build Agent Group provides a logical association of Build Agents so that it can be attached to a Build Environment providing the user control on which agents it wants the project to be built.
From the menu, choose the 'Build Agents' item
You will see a list of the existing Build Agent Groups in the Build Agent Groups Section, if any.
To add a new Build Agent Group, click the 'Add' button.
To edit an existing Build Agent Group, click the 'edit' link to the right of the entry.
You will be prompted to enter or edit the Build Agent Group Name and its associated Build Agent(s):
Build Agent can be associated to one or more Build Agent Group
To use a Build Agent Group in a Project, you need to attach it to a build environment.