diff --git a/pkgs/clan-cli/clan_cli/api/__init__.py b/pkgs/clan-cli/clan_cli/api/__init__.py
index cd8e46b7..5af194ce 100644
--- a/pkgs/clan-cli/clan_cli/api/__init__.py
+++ b/pkgs/clan-cli/clan_cli/api/__init__.py
@@ -55,6 +55,34 @@ class _MethodRegistry:
         self._orig: dict[str, Callable[[Any], Any]] = {}
         self._registry: dict[str, Callable[[Any], Any]] = {}
 
+    def register_abstract(self, fn: Callable[..., T]) -> Callable[..., T]:
+        @wraps(fn)
+        def wrapper(
+            *args: Any, op_key: str | None = None, **kwargs: Any
+        ) -> ApiResponse[T]:
+            raise NotImplementedError(
+                f"""{fn.__name__} - The platform didn't implement this function.
+
+---
+# Example
+
+The function 'open_file()' depends on the platform.
+
+def open_file(file_request: FileRequest) -> str | None:
+    # In GTK we open a file dialog window
+    # In Android we open a file picker dialog
+    # and so on.
+    pass
+
+# At runtime the clan-app must override platform specific functions
+API.register(open_file)
+---
+                """
+            )
+
+        self.register(wrapper)
+        return fn
+
     def register(self, fn: Callable[..., T]) -> Callable[..., T]:
         self._orig[fn.__name__] = fn
 
diff --git a/pkgs/clan-cli/clan_cli/api/directory.py b/pkgs/clan-cli/clan_cli/api/directory.py
index e37b13f5..c7f95b87 100644
--- a/pkgs/clan-cli/clan_cli/api/directory.py
+++ b/pkgs/clan-cli/clan_cli/api/directory.py
@@ -28,13 +28,13 @@ class FileRequest:
     filters: FileFilter | None = None
 
 
-@API.register
+@API.register_abstract
 def open_file(file_request: FileRequest) -> str | None:
     """
     Abstract api method to open a file dialog window.
     It must return the name of the selected file or None if no file was selected.
     """
-    raise NotImplementedError("Each specific platform should implement this function.")
+    pass
 
 
 @dataclass
diff --git a/pkgs/clan-cli/clan_cli/flash.py b/pkgs/clan-cli/clan_cli/flash.py
index c03e64a6..f846068a 100644
--- a/pkgs/clan-cli/clan_cli/flash.py
+++ b/pkgs/clan-cli/clan_cli/flash.py
@@ -11,6 +11,8 @@ from pathlib import Path
 from tempfile import TemporaryDirectory
 from typing import Any
 
+from clan_cli.api import API
+
 from .clan_uri import FlakeId
 from .cmd import Log, run
 from .completions import add_dynamic_completer, complete_machines
@@ -22,6 +24,7 @@ from .nix import nix_shell
 log = logging.getLogger(__name__)
 
 
+@API.register
 def flash_machine(
     machine: Machine,
     *,
diff --git a/pkgs/webview-ui/app/src/Routes.tsx b/pkgs/webview-ui/app/src/Routes.tsx
index 12af6621..1beebdfa 100644
--- a/pkgs/webview-ui/app/src/Routes.tsx
+++ b/pkgs/webview-ui/app/src/Routes.tsx
@@ -4,6 +4,7 @@ import { colors } from "./routes/colors/view";
 import { clan } from "./routes/clan/view";
 import { HostList } from "./routes/hosts/view";
 import { BlockDevicesView } from "./routes/blockdevices/view";
+import { Flash } from "./routes/flash/view";
 
 export type Route = keyof typeof routes;
 
@@ -23,6 +24,11 @@ export const routes = {
     label: "hosts",
     icon: "devices_other",
   },
+  flash: {
+    child: Flash,
+    label: "create_flash_installer",
+    icon: "devices_other",
+  },
   blockdevices: {
     child: BlockDevicesView,
     label: "blockdevices",
diff --git a/pkgs/webview-ui/app/src/routes/flash/view.tsx b/pkgs/webview-ui/app/src/routes/flash/view.tsx
new file mode 100644
index 00000000..5b4c4578
--- /dev/null
+++ b/pkgs/webview-ui/app/src/routes/flash/view.tsx
@@ -0,0 +1,144 @@
+import { route } from "@/src/App";
+import { OperationArgs, OperationResponse, pyApi } from "@/src/api";
+import { SubmitHandler, createForm, required } from "@modular-forms/solid";
+import { For, createSignal } from "solid-js";
+import { effect } from "solid-js/web";
+
+// type FlashMachineArgs = {
+//   machine: Omit<OperationArgs<"flash_machine">["machine"], "cached_deployment">;
+// } & Omit<Omit<OperationArgs<"flash_machine">, "machine">, "system_config">;
+
+// type FlashMachineArgs = OperationArgs<"flash_machine">;
+
+// type k = keyof FlashMachineArgs;
+// eslint-disable-next-line @typescript-eslint/consistent-type-definitions
+type FlashFormValues = {
+  machine: {
+    name: string;
+    flake: string;
+  };
+  disk: string;
+};
+
+type BlockDevices = Extract<
+  OperationResponse<"show_block_devices">,
+  { status: "success" }
+>["data"]["blockdevices"];
+export const Flash = () => {
+  const [formStore, { Form, Field }] = createForm<FlashFormValues>({});
+
+  const [devices, setDevices] = createSignal<BlockDevices>([]);
+  pyApi.show_block_devices.receive((r) => {
+    console.log("block devices", r);
+    if (r.status === "success") {
+      setDevices(r.data.blockdevices);
+    }
+  });
+
+  const handleSubmit: SubmitHandler<FlashFormValues> = (values, event) => {
+    // pyApi.open_file.dispatch({ file_request: { mode: "save" } });
+    // pyApi.open_file.receive((r) => {
+    //   if (r.status === "success") {
+    //     if (r.data) {
+    //       pyApi.create_clan.dispatch({
+    //         options: { directory: r.data, meta: values },
+    //       });
+    //     }
+    //     return;
+    //   }
+    // });
+    console.log("submit", values);
+  };
+
+  effect(() => {
+    if (route() === "flash") {
+      pyApi.show_block_devices.dispatch({});
+    }
+  });
+  return (
+    <div class="">
+      <Form onSubmit={handleSubmit}>
+        <Field
+          name="machine.flake"
+          validate={[required("This field is required")]}
+        >
+          {(field, props) => (
+            <>
+              <label class="input input-bordered flex items-center gap-2">
+                <span class="material-icons">file_download</span>
+                <input
+                  type="text"
+                  class="grow"
+                  placeholder="Clan URI"
+                  required
+                  {...props}
+                />
+              </label>
+              <div class="label">
+                {field.error && (
+                  <span class="label-text-alt font-bold text-error">
+                    {field.error}
+                  </span>
+                )}
+              </div>
+            </>
+          )}
+        </Field>
+        <Field
+          name="machine.name"
+          validate={[required("This field is required")]}
+        >
+          {(field, props) => (
+            <>
+              <label class="input input-bordered flex items-center gap-2">
+                <span class="material-icons">devices</span>
+                <input
+                  type="text"
+                  class="grow"
+                  placeholder="Machine Name"
+                  required
+                  {...props}
+                />
+              </label>
+              <div class="label">
+                {field.error && (
+                  <span class="label-text-alt font-bold text-error">
+                    {field.error}
+                  </span>
+                )}
+              </div>
+            </>
+          )}
+        </Field>
+        <Field name="disk" validate={[required("This field is required")]}>
+          {(field, props) => (
+            <>
+              <label class="form-control input-bordered flex w-full items-center gap-2">
+                <select required class="select w-full" {...props}>
+                  {/* <span class="material-icons">devices</span> */}
+                  <For each={devices()}>
+                    {(device) => (
+                      <option value={device.name}>
+                        {device.name} / {device.size} bytes
+                      </option>
+                    )}
+                  </For>
+                </select>
+                <div class="label">
+                  {field.error && (
+                    <span class="label-text-alt font-bold text-error">
+                      {field.error}
+                    </span>
+                  )}
+                </div>
+              </label>
+            </>
+          )}
+        </Field>
+        <button class="btn btn-error" type="submit">
+          <span class="material-icons">bolt</span>Flash Installer
+        </button>
+      </Form>
+    </div>
+  );
+};