diff --git a/src/lib/components/HelloEarth/HelloEarth.svelte b/src/lib/components/HelloEarth/HelloEarth.svelte
index 86c66a5..68e6a97 100644
--- a/src/lib/components/HelloEarth/HelloEarth.svelte
+++ b/src/lib/components/HelloEarth/HelloEarth.svelte
@@ -7,6 +7,10 @@
 	$: if (services && services.helloEarthAlert) {
 		// services.helloEarthAlert.alertMe();
 	}
+	$: if (services.core) {
+		console.log('services: ' + JSON.stringify(services));
+		// services.core.testAlert();
+	}
 
 	$: if ($store) isStoreLoaded = true;
 </script>
@@ -14,9 +18,15 @@
 {#if isStoreLoaded}
 	<div class="p-12 bg-blue-400 rounded-md shadow-lg">
 		<p class="mb-4 text-xl font-bold text-white">Hello Earth</p>
+		Wallet Address:
 		{#if $store.pkpWallet}
-			<p class="mb-6 text-white">Wallet Address: {$store.pkpWallet.address}</p>
+			<p class="mb-6 text-white">{$store.pkpWallet.address}</p>
 		{/if}
+		<br />
+		hello store: {#if $store.hello}{$store.hello}{/if}
+		<br />
+		hello store2: {#if $store.hello2}{$store.hello2}{/if}
+		<br />
 		Reference TodoList
 		{#if $store.todos}
 			<ul class="pl-5 list-decimal">
diff --git a/src/lib/core/Composite.svelte b/src/lib/core/Composite.svelte
index 13bc11d..3bb948b 100644
--- a/src/lib/core/Composite.svelte
+++ b/src/lib/core/Composite.svelte
@@ -5,6 +5,7 @@
 	import services from '$lib/core/servicesLoader';
 	import { dataStore } from '$lib/core/dataLoader';
 	import { createCompositeStore, getCompositeStore } from '$lib/core/compositeStores';
+	import { coreServices } from './coreServices';
 
 	interface ICompositeLayout {
 		areas: string;
@@ -27,7 +28,9 @@
 	}
 
 	export let composite: IComposite;
-	let loadedServices: Record<string, any> = {};
+	let loadedServices: Record<string, any> = {
+		core: coreServices
+	};
 	let layoutStyle = '';
 
 	$: {
diff --git a/src/lib/core/coreServices.ts b/src/lib/core/coreServices.ts
new file mode 100644
index 0000000..8a1f454
--- /dev/null
+++ b/src/lib/core/coreServices.ts
@@ -0,0 +1,18 @@
+// coreServices.ts
+import { getCompositeStore } from './compositeStores';
+
+export const coreServices = {
+    updateStore: (mappings: Record<string, string>) => {
+        for (const [mappingString, value] of Object.entries(mappings)) {
+            const [storeID, key] = mappingString.replace('@', '').split(':');
+            const store = getCompositeStore(storeID);
+            store.update(storeData => {
+                storeData[key] = value;
+                return storeData;
+            });
+        }
+    },
+    testAlert: () => {
+        alert("core service alert")
+    }
+};
diff --git a/src/lib/core/dataLoader.ts b/src/lib/core/dataLoader.ts
index 1509172..726bd53 100644
--- a/src/lib/core/dataLoader.ts
+++ b/src/lib/core/dataLoader.ts
@@ -1,6 +1,6 @@
 // dataLoader.ts
 import { writable } from 'svelte/store';
-import dataSources from 'virtual:data-sources-list';  // Import the generated list
+import dataSources from 'virtual:data-sources-list';
 
 // The store that holds the data sets
 export const dataStore = writable({});
@@ -14,17 +14,3 @@ dataSources.forEach(src => {
         dataStore.update(store => ({ ...store, [src]: moduleData }));
     });
 });
-
-
-
-// // dataLoader.ts
-
-// import { writable } from 'svelte/store';
-// import { queryMessages } from '$lib/data/queryMessages';
-// import { queryTodos } from '$lib/data/queryTodos';
-
-// // The store that holds the data sets
-// export const dataStore = writable({
-//     queryMessages: queryMessages,
-//     queryTodos: queryTodos
-// });
\ No newline at end of file
diff --git a/src/routes/helloearth/+page.svelte b/src/routes/helloearth/+page.svelte
index 6a3eba6..41fdbea 100644
--- a/src/routes/helloearth/+page.svelte
+++ b/src/routes/helloearth/+page.svelte
@@ -3,6 +3,9 @@
 
 	let composite = {
 		id: 'hello',
+		store: {
+			helloMapMe: 'this is going to be mapped'
+		},
 		layout: {
 			areas: `
 				"main"
@@ -12,10 +15,15 @@
 		},
 		children: [
 			{
-				id: 'hello',
+				id: 'earth',
 				component: 'HelloEarth',
 				slot: 'main',
+				store: {
+					hello: 'define me directly',
+					hello2: 'overwrite me with the mapping value'
+				},
 				map: {
+					hello2: '@hello.helloMapMe',
 					pkpWallet: '@wallet.pkpWallet',
 					todos: '@data:queryTodos'
 				},