diff --git a/src/datasources/db/cargobikeAPI.ts b/src/datasources/db/cargobikeAPI.ts
index 824195e..a88844e 100644
--- a/src/datasources/db/cargobikeAPI.ts
+++ b/src/datasources/db/cargobikeAPI.ts
@@ -1,9 +1,15 @@
 import { DataSource } from 'apollo-datasource'
-
+import { getConnection, Connection } from 'typeorm'
+import { CargoBike } from '../../model/CargoBike'
 /**
  * extended datasource to feed resolvers with data about cargoBikes
  */
 export class CargoBikeAPI extends DataSource {
+    connection : Connection
+    constructor(){
+        super()
+        this.connection = getConnection()
+    }
     /**
      * Finds cargo bike by id
      */
@@ -13,4 +19,20 @@ export class CargoBikeAPI extends DataSource {
             name: token
         }
     }
+
+    async updateBike ({ id, token, name }:{id:any, token: string, name: string }) {
+        const bike = new CargoBike()
+        bike.id = id
+        bike.description = token
+        bike.name = name
+        this.connection.manager.save(bike)
+        return {
+            success: true,
+            message: token,
+            bike: {
+                id,
+                name
+            }
+        }
+    }
 }
diff --git a/src/resolvers/cargobikeResolver.ts b/src/resolvers/cargobikeResolver.ts
index 56da61a..bca1077 100644
--- a/src/resolvers/cargobikeResolver.ts
+++ b/src/resolvers/cargobikeResolver.ts
@@ -2,5 +2,9 @@ export default {
     Query: {
         cargobike: (_: any, { id, token }:{id: any, token: string}, { dataSources }:{dataSources: any}) =>
             dataSources.cargoBikeAPI.findCargoBikeById({ id, token })
+    },
+    Mutation: {
+        addBike: (_:any, { id, token, name }:{id: any, token: string, name:string}, { dataSources }:{dataSources: any }) =>
+            dataSources.cargoBikeAPI.updateBike({ id, token, name })
     }
 }
diff --git a/src/schema/type-defs.ts b/src/schema/type-defs.ts
index aaf7b2a..1c3739c 100644
--- a/src/schema/type-defs.ts
+++ b/src/schema/type-defs.ts
@@ -265,9 +265,10 @@ type UpdateBikeResponse {
     message: String
     bike: CargoBike
 }
+
 "for testing"
 type Mutation {
-    addBike(id: ID!):UpdateBikeResponse
+    addBike(id: ID!, token: String!, name: String):UpdateBikeResponse
 }
 
 `