diff --git a/apps/poc-state-plugin/src/app/app.component.ts b/apps/poc-state-plugin/src/app/app.component.ts
index 2e9bc85..64300c4 100644
--- a/apps/poc-state-plugin/src/app/app.component.ts
+++ b/apps/poc-state-plugin/src/app/app.component.ts
@@ -90,6 +90,28 @@ import type { Shape } from '@penpot/plugin-types';
         >
           Rotate
         </button>
+        <button
+          type="button"
+          data-appearance="secondary"
+          (click)="createMargins()"
+        >
+          Add Margins
+        </button>
+
+        <button
+          type="button"
+          data-appearance="secondary"
+          (click)="addComment()"
+        >
+          Add comment
+        </button>
+        <button
+          type="button"
+          data-appearance="secondary"
+          (click)="exportFile()"
+        >
+          Export File
+        </button>
 
         <input type="file" class="file-upload" (change)="uploadImage($event)" />
       </div>
@@ -146,6 +168,8 @@ export class AppComponent {
         this.theme.set(event.data.content);
       } else if (event.data.type === 'update-counter') {
         this.counter.set(event.data.content.counter);
+      } else if (event.data.type === 'start-download') {
+        this.#startDownload(event.data.content);
       }
     });
 
@@ -218,6 +242,18 @@ export class AppComponent {
     this.#sendMessage({ content: 'rotate-selection' });
   }
 
+  createMargins() {
+    this.#sendMessage({ content: 'create-margins' });
+  }
+
+  addComment() {
+    this.#sendMessage({ content: 'add-comment' });
+  }
+
+  exportFile() {
+    this.#sendMessage({ content: 'export-file' });
+  }
+
   async uploadImage(event: Event) {
     const input = event.target as HTMLInputElement;
     if (input?.files?.length) {
@@ -253,4 +289,22 @@ export class AppComponent {
       this.form.get('name')?.setValue('');
     }
   }
+
+  #startDownload(data: Uint8Array) {
+    const blob = new Blob([data], { type: 'application/octet-stream' });
+
+    // We need to start a download with this URL
+    const downloadURL = URL.createObjectURL(blob);
+
+    // Download
+    var a = document.createElement('a');
+    document.body.appendChild(a);
+    a.href = downloadURL;
+    a.download = 'Export.penpot';
+    a.click();
+
+    // Remove temporary
+    URL.revokeObjectURL(a.href);
+    a.remove();
+  }
 }
diff --git a/apps/poc-state-plugin/src/assets/manifest.json b/apps/poc-state-plugin/src/assets/manifest.json
index ce29e9c..5a2ba40 100644
--- a/apps/poc-state-plugin/src/assets/manifest.json
+++ b/apps/poc-state-plugin/src/assets/manifest.json
@@ -3,10 +3,10 @@
   "description": "Sandbox plugin for plugins development",
   "code": "/assets/plugin.js",
   "permissions": [
-    "content:read",
     "content:write",
-    "library:read",
     "library:write",
-    "user:read"
+    "comment:write",
+    "user:read",
+    "allow:downloads"
   ]
 }
diff --git a/apps/poc-state-plugin/src/plugin.ts b/apps/poc-state-plugin/src/plugin.ts
index d8b704b..ed8e315 100644
--- a/apps/poc-state-plugin/src/plugin.ts
+++ b/apps/poc-state-plugin/src/plugin.ts
@@ -5,7 +5,7 @@ penpot.ui.open('Plugin name', '', {
   height: 600,
 });
 
-penpot.ui.onMessage<{ content: string; data: unknown }>((message) => {
+penpot.ui.onMessage<{ content: string; data: unknown }>(async (message) => {
   if (message.content === 'close') {
     penpot.closePlugin();
   } else if (message.content === 'ready') {
@@ -42,6 +42,12 @@ penpot.ui.onMessage<{ content: string; data: unknown }>((message) => {
       mimeType: string;
     };
     createImage(data, mimeType);
+  } else if (message.content === 'create-margins') {
+    createMargins();
+  } else if (message.content === 'add-comment') {
+    addComment();
+  } else if (message.content === 'export-file') {
+    exportFile();
   }
 });
 
@@ -432,3 +438,56 @@ function createImage(data: Uint8Array, mimeType: string) {
     })
     .catch((err) => console.error(err));
 }
+
+function createMargins() {
+  const page = penpot.currentPage;
+  const selected = penpot.selection && penpot.selection[0];
+
+  if (selected && penpot.utils.types.isBoard(selected)) {
+    const { width, height } = selected;
+    selected.addRulerGuide('vertical', 10);
+    selected.addRulerGuide('vertical', width - 10);
+    selected.addRulerGuide('horizontal', 10);
+    selected.addRulerGuide('horizontal', height - 10);
+  } else {
+    console.log('bound', penpot.viewport.bounds);
+    const { x, y, width, height } = penpot.viewport.bounds;
+    page.addRulerGuide('vertical', x + 100);
+    page.addRulerGuide('vertical', x + width - 50);
+    page.addRulerGuide('horizontal', y + 100);
+    page.addRulerGuide('horizontal', y + height - 50);
+  }
+}
+
+async function addComment() {
+  const shape = penpot.selection[0];
+
+  if (shape) {
+    const content = shape.name + ' - ' + Date.now();
+    const cthr = await penpot.currentPage.findCommentThreads();
+    const th = cthr && cthr[0];
+
+    if (th) {
+      const comms = await th.findComments();
+      const first = comms && comms[0];
+      if (first) {
+        console.log('Reply to thread', content);
+        th.reply(content);
+      }
+    } else {
+      console.log('Create new thread', content);
+      await penpot.currentPage.addCommentThread(content, shape.center);
+    }
+  }
+}
+
+async function exportFile() {
+  const data = await penpot.getFile()?.export('penpot');
+
+  if (data) {
+    penpot.ui.sendMessage({
+      type: 'start-download',
+      content: data,
+    });
+  }
+}
diff --git a/libs/plugin-types/index.d.ts b/libs/plugin-types/index.d.ts
index 4396672..f6b6ed4 100644
--- a/libs/plugin-types/index.d.ts
+++ b/libs/plugin-types/index.d.ts
@@ -2850,7 +2850,7 @@ export interface Page extends PluginData {
 
   /**
    * Removes the comment thread.
-   * Requires the `comment:read` or `comment:write` permission.
+   * Requires the `comment:write` permission.
    */
   removeCommentThread(commentThread: CommentThread): Promise<void>;
 
diff --git a/libs/plugins-runtime/src/lib/plugin-manager.spec.ts b/libs/plugins-runtime/src/lib/plugin-manager.spec.ts
index f9ae229..18c5a5a 100644
--- a/libs/plugins-runtime/src/lib/plugin-manager.spec.ts
+++ b/libs/plugins-runtime/src/lib/plugin-manager.spec.ts
@@ -114,7 +114,8 @@ describe('createPluginManager', () => {
       'Test Modal',
       'https://example.com/plugin',
       'light',
-      { width: 400, height: 300 }
+      { width: 400, height: 300 },
+      true
     );
     expect(mockModal.setTheme).toHaveBeenCalledWith('light');
     expect(mockModal.addEventListener).toHaveBeenCalledWith(