diff --git a/package.json b/package.json
index 3f4b1d4..085ccb9 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wljs-editor",
-  "version": "1.1.8",
+  "version": "1.1.9",
   "description": "WLJS Code editor",
   "scripts": {
     "build": "node --max-old-space-size=8192 ./node_modules/.bin/rollup --config rollup.config.mjs",
@@ -38,7 +38,8 @@
       "src/Notifications.wl",
       "src/Autocomplete.wl",
       "src/ContextMenu.wl",
-      "src/FileUpload.wl"
+      "src/FileUpload.wl",
+      "src/FrontendRuntime.wl"
     ],
     "kernel": [
       "src/FrontendObject.wl",
@@ -56,7 +57,8 @@
       "src/MetaMarkersKernel.wl",
       "src/AutocompleteKernel.wl",
       "src/RasterizeKernel.wl",
-      "src/System.wl"
+      "src/System.wl",
+      "src/FrontendRuntimeKernel.wl"
     ],
     "styles": "src/styles.css",
     "priority": -10,
diff --git a/src/EditorKernel.wl b/src/EditorKernel.wl
index 5427c0a..95d99de 100644
--- a/src/EditorKernel.wl
+++ b/src/EditorKernel.wl
@@ -11,7 +11,6 @@ CellView::usage = "A view component for an input or output cell CellView[_String
 
 InputEditor::usage = "InputEditor[string_] _EventObject"
 
-
 Begin["`Private`"]
 
 
diff --git a/src/FrontendRuntime.wl b/src/FrontendRuntime.wl
new file mode 100644
index 0000000..549089c
--- /dev/null
+++ b/src/FrontendRuntime.wl
@@ -0,0 +1,65 @@
+
+BeginPackage["Notebook`Editor`FrontEndRuntime`", {
+    "JerryI`Misc`Events`",
+    "JerryI`Misc`Events`Promise`",
+    "JerryI`Misc`WLJS`Transport`",
+    "JerryI`Notebook`Kernel`",
+    "JerryI`Notebook`",
+    "JerryI`Notebook`AppExtensions`",
+    "Notebook`Editor`",
+    "JerryI`WLX`WebUI`"  
+}]
+
+
+
+Begin["`Private`"]
+
+frontEndRuntime = <|
+    {"Modules", "js"} -> {},
+    {"Modules", "css"} -> {}
+|>
+
+rebuild := (
+    compiledString = {
+        StringRiffle[StringJoin["<script type=\"module\">", #, "</script>"] &/@ frontEndRuntime[{"Modules", "js"}] ],
+        StringRiffle[StringJoin["<style>", #, "</style>"] &/@ frontEndRuntime[{"Modules", "css"}] ]
+    } // StringRiffle;
+);
+
+rebuild;
+
+component[__] := compiledString
+
+AppExtensions`TemplateInjection["AppHead"] = component
+
+injectInRuntime[{"Modules", "js"}, data_List] := With[{notebooks = Values[Notebook`HashMap]},
+    WebUISubmit[ Global`UIHeadInject["js", data ], #["Socket"] ] &/@ notebooks;
+]
+
+EventHandler[NotebookEditorChannel // EventClone,
+    {
+        "RequestRuntimeExtensions" -> Function[assoc,
+            With[{result = frontEndRuntime, kernel = Kernel`HashMap[assoc["Kernel"] ], promise = assoc["Promise"]},
+                 Kernel`Async[kernel, EventFire[promise, Resolve, result] ];
+            ]
+        ],
+
+        "UpdateRuntimeExtensions" -> Function[assoc,
+            With[{promise = assoc["Promise"], data = assoc["Data"], kernel = Kernel`HashMap[assoc["Kernel"] ], key = assoc["Key"]},
+
+                    With[{new = Complement[data, frontEndRuntime[key] // DeleteDuplicates ] // DeleteDuplicates},
+                        frontEndRuntime[key] = data // DeleteDuplicates;
+                        injectInRuntime[key, new];
+                    ];
+
+                rebuild;
+                Pause[0.3];
+                Kernel`Async[kernel, EventFire[promise, Resolve, True] ];
+            ]
+        ]
+
+    }
+]
+
+End[]
+EndPackage[]
\ No newline at end of file
diff --git a/src/FrontendRuntimeKernel.wl b/src/FrontendRuntimeKernel.wl
new file mode 100644
index 0000000..7b3359d
--- /dev/null
+++ b/src/FrontendRuntimeKernel.wl
@@ -0,0 +1,37 @@
+
+
+BeginPackage["Notebook`Editor`Kernel`FrontEndRuntime`", {
+    "JerryI`Misc`Events`",
+    "JerryI`Misc`Events`Promise`"
+}]
+
+FrontEndRuntime::usage = "FrontEndRuntime[] gives a list of properties possible to extend during the runtime"
+
+Begin["`Internal`"]
+
+FrontEndRuntime[any_List] := With[{r = FrontEndRuntime[]},
+    If[FailureQ[r],
+        $Failed
+    ,
+        r[any]
+    ]
+]
+
+FrontEndRuntime[] := With[{promise = Promise[]},
+        EventFire[Internal`Kernel`CommunicationChannel, "RequestRuntimeExtensions", <|"Promise" -> (promise), "Kernel"->Internal`Kernel`Hash|>];
+        With[{r = (promise // WaitAll)},
+            r
+        ]
+    ]
+
+FrontEndRuntime /: Set[FrontEndRuntime[key_], data_List] := With[{promise = Promise[]},
+    With[{
+        list = Select[data /. {File[path_String] :> Import[path, "Text"]}, StringQ]
+    },
+        EventFire[Internal`Kernel`CommunicationChannel, "UpdateRuntimeExtensions", <|"Promise" -> (promise), "Kernel"->Internal`Kernel`Hash, "Data"->list, "Key"->key|>];
+        promise // WaitAll
+    ]
+]
+
+End[]
+EndPackage[]
diff --git a/src/misc.js b/src/misc.js
index 5f829e7..7a7a8cf 100644
--- a/src/misc.js
+++ b/src/misc.js
@@ -67,6 +67,32 @@ core['Notebook`Editor`Rasterize`Internal`OverlayView'].Create = async (args, env
     }, 1000);
 }
 
+core.UIHeadInject = async (args, env) => {
+    const type = await interpretate(args[0], env);
+    await core.UIHeadInject[type](args.slice(1), env);
+}
+
+core.UIHeadInject.js = async (args, env) => {
+    const data = await interpretate(args[0], env);
+
+    data.forEach((el) => {
+        const script = document.createElement('script');
+        script.type = "module";
+        script.textContent = el;
+        document.head.appendChild(script);
+    })
+}
+
+core.UIHeadInject.css = async (args, env) => {
+    const data = await interpretate(args[0], env);
+
+    data.forEach((el) => {
+        const style = document.createElement('style');
+        style.textContent = el;
+        document.head.appendChild(style);
+    })
+}
+
 core.SystemOpen = async (args, env) => {
     const type = await interpretate(args[1], env);
     await core.SystemOpen[type](args[0], env);