diff --git a/java/noppes/npcs/api/handler/data/IAnimation.java b/java/noppes/npcs/api/handler/data/IAnimation.java
index 68dc8ca..97bd5dd 100644
--- a/java/noppes/npcs/api/handler/data/IAnimation.java
+++ b/java/noppes/npcs/api/handler/data/IAnimation.java
@@ -56,4 +56,12 @@ public interface IAnimation {
     void setID(int id);
 
     long getTotalTime();
+
+    boolean hasData(String key);
+
+    Object getData(String key);
+
+    IAnimation setData(String key, Object v);
+
+    IAnimation removeData(String key);
 }