diff --git a/lib/models/CallbackGame.js b/lib/models/CallbackGame.js
index 0caba25..0b254e4 100644
--- a/lib/models/CallbackGame.js
+++ b/lib/models/CallbackGame.js
@@ -2,6 +2,31 @@
 
 class CallbackGame {
     //placeholder
+
+    /**
+     *
+     * @param {Object} raw
+     * @returns {CallbackGame}
+     */
+    static deserialize(raw) {
+        return new CallbackGame()
+    }
+
+    /**
+     *
+     * @returns {Object}
+     */
+    serialize() {
+        return {}
+    }
+
+    /**
+     *
+     * @returns {string}
+     */
+    toJSON() {
+        return this.serialize()
+    }
 }
 
 module.exports = CallbackGame
\ No newline at end of file