diff --git a/rust/src/enumable/animal_enum.rs b/rust/src/enumable/animal_enum.rs
index fbadeb1d..a206e8a5 100644
--- a/rust/src/enumable/animal_enum.rs
+++ b/rust/src/enumable/animal_enum.rs
@@ -6,8 +6,8 @@ use strum_macros::EnumIter;
 #[derive(Debug, Clone, Serialize, Deserialize, EnumIter)]
 #[serde(rename_all = "camelCase")]
 pub enum AnimalEnum {
-    Tiger,
-    Dog,
+    Tiger = 1,
+    Dog = 2,
 }
 
 impl AnimalEnum {
@@ -15,6 +15,14 @@ impl AnimalEnum {
         AnimalEnum::iter().collect::<Vec<_>>()
     }
 
+    pub fn of(id: usize) -> AnimalEnum {
+        AnimalEnum::values()
+            .into_iter()
+            .filter(|s| (s.clone() as usize) == id)
+            .next()
+            .unwrap()
+    }
+
     pub fn name(&mut self) -> String {
         return match self {
             AnimalEnum::Tiger => "Tiger".to_string(),