diff --git a/src/script/parameter/validation.rs b/src/script/parameter/validation.rs
index ce61877..02dc040 100644
--- a/src/script/parameter/validation.rs
+++ b/src/script/parameter/validation.rs
@@ -2,7 +2,7 @@ use std::sync::Arc;
 
 use serde::{Deserialize, Serialize};
 
-#[derive(Deserialize, Serialize)]
+#[derive(Deserialize, Serialize, Clone, Debug)]
 #[serde(tag = "type")]
 pub enum Validation {
     #[serde(rename = "ValidateNotNullOrEmpty")]