diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 021eff4..c53750a 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1070,6 +1070,7 @@ model WorkProduct {
   product       Product @relation(fields: [productId], references: [id], onDelete: Cascade)
   productId     String
   installmentNo Int     @default(0)
+  attributes    Json?
 
   createdAt       DateTime @default(now())
   createdBy       User?    @relation(name: "WorkProductCreatedByUser", fields: [createdByUserId], references: [id], onDelete: SetNull)
diff --git a/src/controllers/04-service-controller.ts b/src/controllers/04-service-controller.ts
index 7a9d542..5ef3023 100644
--- a/src/controllers/04-service-controller.ts
+++ b/src/controllers/04-service-controller.ts
@@ -69,6 +69,7 @@ type ServiceCreate = {
        * @isInt
        */
       installmentNo?: number;
+      attributes?: { [key: string]: any };
     }[];
     attributes?: { [key: string]: any };
   }[];
@@ -83,7 +84,7 @@ type ServiceUpdate = {
   attributes?: {
     [key: string]: any;
   };
-  /*
+  /**
    * @isInt
    */
   installments?: number;
@@ -93,10 +94,11 @@ type ServiceUpdate = {
     name: string;
     product: {
       id: string;
-      /*
+      /**
        * @isInt
        */
       installmentNo?: number;
+      attributes?: { [key: string]: any };
     }[];
     attributes?: { [key: string]: any };
   }[];