diff --git a/apps/backend/src/app/machines/machines.service.ts b/apps/backend/src/app/machines/machines.service.ts
index 93d52c6..4854335 100644
--- a/apps/backend/src/app/machines/machines.service.ts
+++ b/apps/backend/src/app/machines/machines.service.ts
@@ -1,4 +1,15 @@
 import { Injectable } from "@nestjs/common";
+import { DbService } from 'apps/backend/src/app/db/db.service';
 
 @Injectable()
-export class MachinesService {}
+export class MachinesService {
+  constructor(private readonly database: DbService) {}
+
+  //TODO a method to fetch machines in the database by a specific search with limit, offset and a search field (can be blank)
+
+  //TODO The method to create a machine
+
+  //TODO a method to delete a machine and delete the associated FilesTypeForMachine row
+
+  //TODO a method to get the files of a group in the database by a specific search with limit, offset and a search field (can be blank)
+}