Mark those at the facility

{
    "Event_Coordinator_Config": {
        "Intervention_Config": {
            "Actual_IndividualIntervention_Config": {
                "Broadcast_Event": "Facility_Flag",
                "New_Property_Value": "Facility_Flag:Yes",
                "class": "BroadcastEvent"
            },
            "Property_Restrictions_Within_Node": [
                {
                    "Facility_Flag": "No"
                }
            ],
            "Trigger_Condition_List": [
                "HCTTestingLoop1"
            ],
            "class": "NodeLevelHealthTriggeredIV"
        },
        "class": "StandardInterventionDistributionEventCoordinator"
    },
    "Event_Name": "Mark those at the facility",
    "Nodeset_Config": {
        "class": "NodeSetAll"
    },
    "Start_Year": 1990,
    "class": "CampaignEventByYear"
}