diff --git a/src/mind_reader/state_machines/session/events.py b/src/mind_reader/state_machines/session/events.py
index 4c93e42..3b8da3a 100644
--- a/src/mind_reader/state_machines/session/events.py
+++ b/src/mind_reader/state_machines/session/events.py
@@ -1,36 +1,66 @@
 from dataclasses import dataclass
 
+from ..base_event import BaseEvent
 from ..lobby.domain import Player
 from ..session.domain import ArrowDirection
 
 
 @dataclass(frozen=True)
-class PlayerHelloEvent:
+class PlayerHelloEvent(BaseEvent):
     player: Player
 
+    @classmethod
+    def from_payload(cls, p: dict) -> "PlayerHelloEvent":
+        return cls(player=Player.from_dict(p))
+
 
 @dataclass(frozen=True)
-class SetterMoveEvent:
+class SetterMoveEvent(BaseEvent):
     player: Player
     direction: ArrowDirection
 
+    @classmethod
+    def from_payload(cls, p: dict) -> "SetterMoveEvent":
+        return cls(
+            player=Player.from_dict(p),
+            direction=ArrowDirection(p["arrow_direction"]),
+        )
+
 
 @dataclass(frozen=True)
-class GuesserMoveEvent:
+class GuesserMoveEvent(BaseEvent):
     player: Player
     direction: ArrowDirection
 
+    @classmethod
+    def from_payload(cls, p: dict) -> "GuesserMoveEvent":
+        return cls(
+            player=Player.from_dict(p),
+            direction=ArrowDirection(p["arrow_direction"]),
+        )
+
 
 @dataclass(frozen=True)
-class RevealSecretEvent:
+class RevealSecretEvent(BaseEvent):
     player: Player
     direction: ArrowDirection
 
+    @classmethod
+    def from_payload(cls, p: dict) -> "RevealSecretEvent":
+        return cls(
+            player=Player.from_dict(p),
+            direction=ArrowDirection(p["arrow_direction"]),
+        )
+
 
 @dataclass(frozen=True)
-class NextStepRequestedEvent:
+class NextStepRequestedEvent(BaseEvent):
     player: Player
 
+    @classmethod
+    def from_payload(cls, p: dict) -> "NextStepRequestedEvent":
+        return cls(player=Player.from_dict(p))
+
 
 SessionEvent = (
     PlayerHelloEvent