diff --git a/gql commands b/gql commands
new file mode 100644
index 0000000..dbc6e56
--- /dev/null
+++ b/gql commands	
@@ -0,0 +1,60 @@
+ {
+  stores{
+    id,
+    name,
+    city,
+    number,
+    postalCode,
+    street,
+    products{description,name,price}
+  }
+}
+
+mutation{
+  createStore( 
+    	input:{ 
+        name: "asdf",
+        city: "asdf",
+        number:2,
+    		postalCode: "hallohallo",
+    		street: "asdf"
+    	}
+  	) {
+    id,
+    name,
+    city,
+    number,
+    postalCode,
+    street
+  }
+}
+
+query getStore($storeId: String!, $withProducts: Boolean!){
+  store (id:$storeId){
+    id,
+    name,
+    city,
+    number,
+    postalCode,
+    street,
+    products @include(if: $withProducts) {id,description,name,price}
+  }
+}
+var {"storeId": "5f2919aa-333a-4745-8166-3002ab30de0e","withProducts":true}
+
+mutation($productId:String!){
+  createReservation(
+    input:{
+      reservationProducts:
+      	[
+          {	
+            productId:$productId,
+            quantity:2
+          }
+        ]
+    }
+  ) {
+    id,date,reservationProducts{product{name,description,price},quantity}
+  }
+}
+var {"productId":"5bb3fbcc-7ec2-44fe-a04b-a0251cecf1e6"}
\ No newline at end of file
diff --git a/package.json b/package.json
index f273480..988d746 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "graphql": "^15.5.0",
     "reflect-metadata": "^0.1.13",
     "type-graphql": "^1.1.1",
+    "typescript": "^4.1.3",
     "uuid": "^3.3.2",
     "yup": "^0.32.8"
   },
diff --git a/schema.gql b/schema.gql
index ddcdc74..fcf2815 100644
--- a/schema.gql
+++ b/schema.gql
@@ -10,61 +10,61 @@ scalar DateTime
 
 type Mutation {
   """Create a new reservation"""
-  createReservation(input: ReservationInput!): Reservation!
+  createReservation(input: ReservationInput): Reservation
 
   """Create a new store"""
-  createStore(input: StoreInput!): Store!
+  createStore(input: StoreInput): Store
 }
 
 type Product {
-  description: String!
-  id: String!
-  name: String!
-  price: Float!
+  description: String
+  id: String
+  name: String
+  price: Float
 }
 
 type Query {
   """Get a specific store"""
-  store(id: String!): Store!
+  store(id: String): Store
 
   """Get all the stores"""
-  stores: [Store!]!
+  stores: [Store]
 }
 
 type Reservation {
-  date: DateTime!
-  id: String!
-  reservationProducts: [ReservationProduct!]!
+  date: DateTime
+  id: String
+  reservationProducts: [ReservationProduct]
 }
 
 input ReservationInput {
-  reservationProducts: [ReservationProductInput!]!
+  reservationProducts: [ReservationProductInput]
 }
 
 type ReservationProduct {
-  product: Product!
-  quantity: Int!
+  product: Product
+  quantity: Int
 }
 
 input ReservationProductInput {
-  productId: String!
-  quantity: Int!
+  productId: String
+  quantity: Int
 }
 
 type Store {
-  city: String!
-  id: String!
-  name: String!
-  number: Int!
-  postalCode: String!
-  products: [Product!]!
-  street: String!
+  city: String
+  id: String
+  name: String
+  number: Int
+  postalCode: String
+  products: [Product]
+  street: String
 }
 
 input StoreInput {
-  city: String!
-  name: String!
-  number: Int!
-  postalCode: String!
-  street: String!
+  city: String
+  name: String
+  number: Int
+  postalCode: String
+  street: String
 }
diff --git a/src/index.js b/src/index.js
index 618e524..aa20715 100644
--- a/src/index.js
+++ b/src/index.js
@@ -30,7 +30,7 @@ import { StoreResolver, ReservationResolver } from './resolvers.js';
 // create the schema using TypeGraphQL, pass the resolver
 const schema = await buildSchema({
   resolvers: [StoreResolver, ReservationResolver],
-  //nullableByDefault: true,
+  nullableByDefault: true,
   emitSchemaFile: path.resolve(".", "schema.gql"),
 });