In the Add button context menu, select Import rules from XML file.
Choose how to add device control rules from an XML file to those available:
Merge with existing rules, if you want to add the imported rules to the list of existing rules. Rules with identical settings are not duplicated. If at least one rule setting is unique, the rule is added.
Add to existing rules, if you want to add the imported rules to the list of existing rules. Rules with identical settings are duplicated.
Replace existing rules, if you want to replace the existing rules with the imported rules.