In order to add a camera to a created group, please follow the steps below.
1. Create a group (if you are having trouble to do so, please follow the steps in this article) or select an existing group after clicking on the small gear-shaped icon in the ‘live view’ screen (figure 1).
Figure 1: Overview live view
2. Drag a camera from the list to the selected group (figure 2).
Figure 2: Overview of the created groups