Filter Criteria is used to define conditions to filter the applicable devices out of all devices obtained at the Start node. When you run a Qapp, the filter criteria will be performed, and only the devices meeting the conditions will be passed to Device Queue awaiting the Qapp to execute.
2.Set condition A based on your needs:
1)Select a device property from the property list.
2)Select a keyword from the operator list if a selected property has this option. The keywords include Contains, Does not contain, Matches, and Does not match.
3)Specify the value of the property that you selected.
4)Repeat the above three steps to set more conditions if required.
3.Define the condition combination in the Boolean Expression field. A Boolean expression can have the following parts: filter criteria (A to Z), Boolean operator ("and", "or"), and Parentheses. For example, A and (B or C).