diff --git a/src/resolvers/MutationResolvers.ts b/src/resolvers/MutationResolvers.ts
index 9332e8b..18cb3d2 100644
--- a/src/resolvers/MutationResolvers.ts
+++ b/src/resolvers/MutationResolvers.ts
@@ -4,9 +4,27 @@ import { ServerContext } from "../ServerContext";
 export const MutationResolvers: Resolvers<ServerContext> = {
   Mutation: {
     scheduleNotification: async (_parent, args, context, _info) => {
+      const shuttle = await context.repository.getShuttleById(args.input.shuttleId);
+      if (!shuttle) {
+        return {
+          message: "Shuttle ID doesn't exist",
+          success: false,
+        }
+      }
+      const stop = await context.repository.getStopById(args.input.stopId);
+      if (!stop) {
+        return {
+          message: "Stop ID doesn't exist",
+          success: false,
+        }
+      }
+
+      await context.notificationService.scheduleNotification(args.input);
+
       const response: NotificationResponse = {
-        message: "Not implemented",
-        success: false
+        message: "Notification scheduled",
+        success: true,
+        data: args.input,
       }
       return response;
     },