diff --git a/src/service/notification.rs b/src/service/notification.rs
index ec6f82dca6ff6d520583881b2334045ce6ef5db7..92d28be28891b9ba602b517a6e236dd13670513e 100644
--- a/src/service/notification.rs
+++ b/src/service/notification.rs
@@ -10,4 +10,11 @@ use crate::repository::subscriber::SubscriberRepository;
 pub struct NotificationService;
 
 impl NotificationService {
+    pub fn subscribe(product_type: &str, subscriber: Subscriber) -> Result<Subscriber> {
+        let product_type_upper: String = product_type.to_uppercase();
+        let product_type_str: &str = product_type_upper.as_str();
+        let subscriber_result: Subscriber = SubscriberRepository::add(product_type_str, subscriber);
+        return Ok(subscriber_result);
+    }
+    
 }