diff --git a/src/app/browser/window/tab/item/identity/gemini/widget/form.rs b/src/app/browser/window/tab/item/identity/gemini/widget/form.rs
index 8b2b1de1..3accb16c 100644
--- a/src/app/browser/window/tab/item/identity/gemini/widget/form.rs
+++ b/src/app/browser/window/tab/item/identity/gemini/widget/form.rs
@@ -1,6 +1,8 @@
+mod file;
 pub mod list;
 mod name;
 
+use file::File;
 use list::{item::value::Value, List};
 use name::Name;
 
@@ -10,6 +12,7 @@ use std::rc::Rc;
 
 pub struct Form {
     // pub action: Rc<Action>,
+    pub file: Rc<File>,
     pub list: Rc<List>,
     pub name: Rc<Name>,
     pub gobject: Box,
@@ -23,15 +26,18 @@ impl Form {
         // Init components
         let list = Rc::new(List::new());
         let name = Rc::new(Name::new(action.clone()));
+        let file = Rc::new(File::new(action.clone()));
 
         // Init main container
         let gobject = Box::builder().orientation(Orientation::Vertical).build();
 
         gobject.append(&list.gobject);
         gobject.append(&name.gobject);
+        gobject.append(&file.gobject);
 
         // Connect events
         list.on_select({
+            let file = file.clone();
             let name = name.clone();
             let update = action.update.clone();
             move |key| {
@@ -41,6 +47,12 @@ impl Form {
                     _ => false,
                 });
 
+                // Change name entry visibility
+                file.show(match key {
+                    Value::IMPORT_PEM => true,
+                    _ => false,
+                });
+
                 // Update widget
                 update.activate();
             }
@@ -50,6 +62,7 @@ impl Form {
         Self {
             // action,
             gobject,
+            file,
             list,
             name,
         }
diff --git a/src/app/browser/window/tab/item/identity/gemini/widget/form/file.rs b/src/app/browser/window/tab/item/identity/gemini/widget/form/file.rs
new file mode 100644
index 00000000..9e950a67
--- /dev/null
+++ b/src/app/browser/window/tab/item/identity/gemini/widget/form/file.rs
@@ -0,0 +1,41 @@
+use super::Action;
+use gtk::{
+    prelude::{ButtonExt, WidgetExt},
+    Button,
+};
+
+use std::rc::Rc;
+
+const LABEL: &str = "Select file..";
+const MARGIN: i32 = 8;
+
+pub struct File {
+    pub gobject: Button,
+}
+
+impl File {
+    // Constructors
+
+    /// Create new `Self`
+    pub fn new(action: Rc<Action>) -> Self {
+        // Init `GObject`
+        let gobject = Button::builder().label(LABEL).margin_top(MARGIN).build();
+
+        // Init events
+        gobject.connect_clicked(move |_| todo!());
+
+        // Return activated `Self`
+        Self { gobject }
+    }
+
+    // Actions
+
+    /// Change visibility status
+    /// * grab focus on `is_visible`
+    pub fn show(&self, is_visible: bool) {
+        self.gobject.set_visible(is_visible);
+        if is_visible {
+            self.gobject.grab_focus();
+        }
+    }
+}