diff --git a/server/src/rpc.rs b/server/src/rpc.rs
index 64f467f6..fddbb753 100644
--- a/server/src/rpc.rs
+++ b/server/src/rpc.rs
@@ -656,7 +656,7 @@ struct VboxCombineMsg {
 #[derive(Debug,Clone,Serialize,Deserialize)]
 pub struct VboxCombineParams {
     pub game_id: Uuid,
-    pub indices: Vec<u8>,
+    pub indices: Vec<usize>,
 }
 
 // #[cfg(test)]
diff --git a/server/src/vbox.rs b/server/src/vbox.rs
index bd17c9ac..0317d6bd 100644
--- a/server/src/vbox.rs
+++ b/server/src/vbox.rs
@@ -21,6 +21,12 @@ pub enum Var {
     Red,
     Green,
     Blue,
+
+    Attack,
+    Block,
+    Stun,
+    Buff,
+    Debuff,
 }
 
 #[derive(Debug,Clone,Serialize,Deserialize)]