diff --git a/src/item.rs b/src/item.rs
index 3b074ad..15c0deb 100644
--- a/src/item.rs
+++ b/src/item.rs
@@ -365,10 +365,17 @@ impl Variant {
         todo!()
     }
 
-    // case: import
-    // made / bought an item -> supply
-    // check in with attrs -> uuid (transaction)
-    // commited to db
+    /// Records a supply transaction in the database.
+    ///
+    /// # Arguments
+    ///
+    /// * `amount` - The quantity of items supplied.
+    /// * `price` - The price of the supplied items.
+    /// * `origin` - The origin or source of the supplied items.
+    ///
+    /// # Returns
+    ///
+    /// Returns a UUID string representing the transaction.
     pub async fn supply(&self, amount: usize, price: Price, origin: &str) -> String {
         let db = get_mongo!();