{

"checkout.due" :
    { "context_org" : "circ_lib",
      "filter"      :
            { "checkin_time"  : null,
              "-or"           :
                    [ { "stop_fines"  : ["MAXFINES", "LONGOVERDUE"] },
                      { "stop_fines"  : null }
                    ]
            }
    },
"checkout.due.email_notify" :
    { "context_org" : "circ_lib",
      "filter"      :
            { "checkin_time"  : null,
              "-or"           :
                    [ { "stop_fines"  : ["MAXFINES", "LONGOVERDUE"] },
                      { "stop_fines"  : null }
                    ],
                                "-exists" : {
                "select" : {"au" : ["id"]},
                "from"   : "au",
                "where"  : {
                    "email" : { "!=" : null },
                    "id" : { "=" : {"+circ" : "usr"} }
                }
            }
        }
    },
"au.created" :
    { "context_org":"home_ou",
      "filter":
            {
              "active":"t",
              "deleted":"f"
            }
    },
"au.expired" :
    { "context_org" : "home_ou",
      "filter":
            {
              "active":"t",
              "deleted":"f"
            }
    }

}