Dynamic device groups are groups of devices whose membership changes when new devices are added to your account that meet the group criteria you have defined, as well as when devices are deleted or change their designation.
Firstly, you will need to go into the Device Groups tab within your Moki Total Control browser window. From there select the New Device Group button.
A dynamic list is a list of devices determined by search filters. You can select that filters via the text fields on the left, such as OS, apps, and whether the device is checked in or not. When your list is refined down to your requirements give it a name and Save the group. Any new devices that fit the criteria to this group will be automatically.