diff --git a/watchtower-plugin/tower_info.py b/watchtower-plugin/tower_info.py
index 9eab281..ee4499c 100644
--- a/watchtower-plugin/tower_info.py
+++ b/watchtower-plugin/tower_info.py
@@ -1,5 +1,5 @@
 class TowerInfo:
-    def __init__(self, netaddr, available_slots, status="active", appointments=None):
+    def __init__(self, netaddr, available_slots, status="active", appointments=None, pending_appointments=None):
         self.netaddr = netaddr
         self.available_slots = available_slots
         self.status = status
@@ -9,20 +9,31 @@ class TowerInfo:
         else:
             self.appointments = appointments
 
+        if not pending_appointments:
+            self.pending_appointments = []
+        else:
+            self.pending_appointments = pending_appointments
+
     @classmethod
     def from_dict(cls, tower_data):
         netaddr = tower_data.get("netaddr")
         available_slots = tower_data.get("available_slots")
         status = tower_data.get("status")
         appointments = tower_data.get("appointments")
+        pending_appointments = tower_data.get("pending_appointments")
 
-        if any(v is None for v in [netaddr, available_slots, status, appointments]):
+        if any(v is None for v in [netaddr, available_slots, status, appointments, pending_appointments]):
             raise ValueError("Wrong appointment data, some fields are missing")
 
-        return cls(netaddr, available_slots, status, appointments)
+        return cls(netaddr, available_slots, status, appointments, pending_appointments)
 
     def to_dict(self):
         return self.__dict__
 
     def get_summary(self):
-        return {"netaddr": self.netaddr, "status": self.status, "available_slots": self.available_slots}
+        return {
+            "netaddr": self.netaddr,
+            "status": self.status,
+            "available_slots": self.available_slots,
+            "pending_appointments": self.pending_appointments,
+        }