diff --git a/apps/backend/src/app/storage/storage.service.ts b/apps/backend/src/app/storage/storage.service.ts
index 34947fd..534b31e 100644
--- a/apps/backend/src/app/storage/storage.service.ts
+++ b/apps/backend/src/app/storage/storage.service.ts
@@ -7,6 +7,7 @@ import {
 	Injectable,
 	InternalServerErrorException,
 	NotFoundException,
+	StreamableFile,
 } from "@nestjs/common";
 import { DbService } from "apps/backend/src/app/db/db.service";
 import {
@@ -189,34 +190,35 @@ export class StorageService {
 	public async read(
 		checksum: string,
 		extension: string,
-		isDocumentation: boolean
+		isDocumentation: boolean,
 	) {
 		try {
 			const fileName = `${isDocumentation ? "doc" : "file"}-${checksum}.${extension.toLowerCase()}`;
 			console.log(`Fetching file "${fileName}" from storage...`);
-			const file = await this.getFile(fileName)
-			console.log(`Got a ${file.byteLength / (1024 * 1024)}MiB file from the storage.`)
+			const file = await this.getFile(fileName);
+			console.log(
+				`Got a ${file.byteLength / (1024 * 1024)}MiB file from the storage.`,
+			);
 			return file;
 		} catch (err) {
-			console.log("File not found.")
+			console.log("File not found.");
 			throw new NotFoundException(err);
 		}
 	}
 
 	/**
-	 * Processes and saves a new file after validating its properties and conditions.
+	 * Processes and saves a new file with the provided information.
 	 *
 	 * @param {string} fileDisplayName - The display name of the file.
-	 * @param {Buffer} file - The buffer representing the file content.
-	 * @param {Array<string>} allowedMIMEs - An array of allowed MIME types for validation.
-	 * @param {boolean} [isDocumentation] - Optional flag to mark whether the file is documentation.
-	 * @return {Promise<IFileInformation>} - Returns a promise resolving to the file information object upon successful operation.
-	 * @throws {BadRequestException} If an error occurs during the file processing or saving.
+	 * @param {Buffer} file - The file buffer to be processed.
+	 * @param {Array<string>} machinesId - An array of machine IDs associated with the file.
+	 * @param {boolean} [isDocumentation] - Optional flag to indicate if the file is documentation.
+	 * @return {Promise<IFileInformation>} A promise that resolves to an object containing information about the file.
 	 */
 	public async new(
 		fileDisplayName: string,
 		file: Buffer,
-		allowedMIMEs: Array<string>,
+		machinesId: Array<string>,
 		isDocumentation?: boolean,
 	): Promise<IFileInformation> {
 		try {
@@ -228,17 +230,14 @@ export class StorageService {
 			console.log(
 				`Trying to append a new file : "${info.fileDisplayName}"...\n > Checksum SHA-256 : ${info.fileChecksum}\n > Size : ${info.fileSize / (1024 * 1024)}Mio\n > File format : ${info.fileType.mime}\n`,
 			);
-			const condition = await this.checkConditions(
-				allowedMIMEs,
-				file,
-			);
+			const condition = await this.checkConditions(machinesId, file);
 			if (!condition) {
 				console.warn(
 					`File "${info.fileDisplayName}" did not pass the files requirement.\n${info.fileChecksum}`,
 				);
 			}
 			console.log(
-				`File "${info.fileDisplayName}" passed the files requirement successfully.\n${info.fileChecksum}`
+				`File "${info.fileDisplayName}" passed the files requirement successfully.\n${info.fileChecksum}`,
 			);
 
 			// Save the file with "saveFile()"
diff --git a/apps/backend/src/app/storage/storage.types.ts b/apps/backend/src/app/storage/storage.types.ts
index 888a151..51ef87c 100644
--- a/apps/backend/src/app/storage/storage.types.ts
+++ b/apps/backend/src/app/storage/storage.types.ts
@@ -1,3 +1,4 @@
+import { StreamableFile } from "@nestjs/common";
 import FileType from "file-type";
 
 export interface IFileInformation {
@@ -10,7 +11,7 @@ export interface IFileInformation {
 }
 
 export interface IFileWithInformation<AdditionalData> {
-	buffer: Buffer;
+	stream: StreamableFile;
 	info: IFileInformation;
 	additionalData?: AdditionalData;
 }