diff --git a/app/(tabs)/gestionnaire_ressource.tsx b/app/(tabs)/gestionnaire_ressource.tsx
index 0feb325..6f19aef 100644
--- a/app/(tabs)/gestionnaire_ressource.tsx
+++ b/app/(tabs)/gestionnaire_ressource.tsx
@@ -10,10 +10,11 @@ import { FlatList, Image, StyleSheet, Text, View } from "react-native";
 import { Ressources } from "../../class/class";
 import { getRessources } from "../../services/ressourcesService";
 import SelectChantier from "@/components/selectChantier";
+import { useRessources } from "../ContextRessource";
 
 export default function GestionnaireRessource() {
   const [search, setSearch] = useState("");
-  const [ressource, setRessources] = useState<Ressources[]>([]);
+  const {ressources, setRessources} = useRessources();
   const [filterType, setFilterType] = useState("tout");
   const [showFilterMenu, setShowFilterMenu] = useState(false);
   const router = useRouter();
@@ -30,7 +31,7 @@ export default function GestionnaireRessource() {
     loadData();
   }, []);
 
-  const filteredData = ressource.filter((r) => {
+  const filteredData = ressources.filter((r) => {
     const matchName = r.name.toLowerCase().includes(search.toLowerCase());
     const matchType = filterType === "tout" || r.type === filterType;
     return matchName && matchType;
diff --git a/class/class.tsx b/class/class.tsx
index dd59d2b..a7734d2 100644
--- a/class/class.tsx
+++ b/class/class.tsx
@@ -24,7 +24,7 @@ export type User = {
 };
 
 export type Ressources = {
-  id: number;
+  id: string;
   name: string;
   type: string; //"machine","ouvrier"
   Image: string;
diff --git a/components/add/addRessource.tsx b/components/add/addRessource.tsx
index 7cbda9a..84a5a3d 100644
--- a/components/add/addRessource.tsx
+++ b/components/add/addRessource.tsx
@@ -9,7 +9,7 @@ import { StyleSheet, ScrollView, Button, TextInput, Text, View, Modal } from 're
 import { useChantier } from '@/app/ContextChantier';
 import { useRessources } from '@/app/ContextRessource';
 import { useUser } from '@/app/ContextUser';
-import { getRessources, getUsers, addChantier } from '@/services/ressourcesService';
+import { getRessources, getUsers, addChantier , addRessources} from '@/services/ressourcesService';
 import { Chantier, Ressources, User } from '@/class/class';
 import { ThemedText } from '@/components/theme/themed-text';
 import { ThemedButton } from '@/components/theme/themed-button';
@@ -58,20 +58,40 @@ export default function AddRessource({ressourceType, ...otherProps }: Props) {
   }
 
         async function onConfirm(): Promise<void> {
-        //TODO
-        //await changeChantierStatus(chantier.id,tempStatus)
-        //Il faut changer le UX 
-        //setChantier({...chantier,etat: tempStatus})
         if(isValidRessource()){
+          try{
+            setLoading(true);
+            const nouvelleRessource : Ressources = {
+              id : '',
+              name: nom,
+              type : ressourceType,
+              quantity : parseInt(quantite),
+              available_quantity : parseInt(quantite),
+              Image : "",
+              allocation : [],
+            };
+            const id = await addRessources(nouvelleRessource);
+
+            if(id){
+              setRessources([...ressources,{...nouvelleRessource, id}]);
+              setOpenConfirmation(false);
+              setNom('');
+              setQuantite('');
+              setQuantiteDisponible('');
+            }
+          }catch(error){
+          }finally{
           setOpenConfirmation(false);
+          setLoading(false);
         }
       }
+    }
 
       function onCancel(): void {
         setOpenConfirmation(false);
       }
   function isValidRessource():Boolean{
-    return nom!= "" && quantite != "" && quantiteDisponible != "" 
+    return nom!= "" && quantite != "" 
   }
 
     const renderValidationScreen = () => {
@@ -98,8 +118,7 @@ export default function AddRessource({ressourceType, ...otherProps }: Props) {
           </View>
         </Modal>
       )
-}
-
+        }
 
   const renderInut = (name : string, preFill : string, value : string, setValue : ((text:string) => void),numeric:boolean) => {
     return (
diff --git a/services/ressourcesService.ts b/services/ressourcesService.ts
index 5556674..daae994 100644
--- a/services/ressourcesService.ts
+++ b/services/ressourcesService.ts
@@ -37,6 +37,19 @@ export async function getRessources(): Promise<Ressources[]> {
     return [];
   }
 }
+
+//ADD RESSOURCES
+export async function addRessources(ressourceData: Omit<Ressources, 'id'>): Promise<string | null> {
+  try {
+    const colRef = collection(db, "ressources");
+    const ressourcesRef = await addDoc(colRef, ressourceData);
+    console.log(`Ressource ajoutée avec ID: ${ressourcesRef.id}`);
+    return ressourcesRef.id;
+  } catch (err) {
+    console.error("Error adding:", err);
+    return null;
+  }
+}
 ///////////////////////////////////CHANTIER/////////////////////////////////
 export async function getChantiers(): Promise<Chantier[]> {
   const snap = await getDocs(collection(db, "chantier"));