diff --git a/models.py b/models.py
index d0cb43b..da2c673 100644
--- a/models.py
+++ b/models.py
@@ -176,15 +176,22 @@ class NostrEvent(BaseModel):
         s = json.dumps(dict(self), separators=(",", ":"), ensure_ascii=False)
         return len(s.encode())
 
+    @property
     def is_replaceable_event(self) -> bool:
         return self.kind in [0, 3]
 
-    def is_ephemeral_event(self) -> bool:
-        return self.kind in [22242]
-
+    @property
+    def is_auth_response_event(self) -> bool:
+        return self.kind == 22242
+    
+    @property
     def is_delete_event(self) -> bool:
         return self.kind == 5
 
+    @property
+    def is_ephemeral_event(self) -> bool:
+        return self.kind in [22242]
+
     def check_signature(self):
         event_id = self.event_id
         if self.id != event_id:
@@ -207,6 +214,9 @@ class NostrEvent(BaseModel):
     def serialize_response(self, subscription_id):
         return [NostrEventType.EVENT, subscription_id, dict(self)]
 
+    def tag_values(self, tag_name: str) -> List[List[str]]:
+        return [t[1] for t in self.tags if t[0] == tag_name]
+
     @classmethod
     def from_row(cls, row: Row) -> "NostrEvent":
         return cls(**dict(row))