diff --git a/src/editor/config/config.ts b/src/editor/config/config.ts
index b48a900fd..54178694a 100644
--- a/src/editor/config/config.ts
+++ b/src/editor/config/config.ts
@@ -7,6 +7,7 @@ import { DeviceManagerConfig } from '../../device_manager/config/config';
 import { I18nConfig } from '../../i18n/config';
 import { ModalConfig } from '../../modal_dialog/config/config';
 import { LayerManagerConfig } from '../../navigator/config/config';
+import { PageManagerConfig } from '../../pages';
 import { PanelsConfig } from '../../panels/config/config';
 import { ParserConfig } from '../../parser/config/config';
 import { RichTextEditorConfig } from '../../rich_text_editor/config/config';
@@ -371,7 +372,6 @@ export interface EditorConfig {
    */
   styleManager?: AnyObject;
 
-  // TODO
   /**
    * Configurations for Block Manager.
    */
@@ -383,11 +383,10 @@ export interface EditorConfig {
    */
   traitManager?: AnyObject;
 
-  // TODO
   /**
    * Configurations for Page Manager.
    */
-  pageManager?: AnyObject;
+  pageManager?: PageManagerConfig;
 
   /**
    * Configurations for Layer Manager.
diff --git a/src/pages/index.ts b/src/pages/index.ts
index 3f5ac1b45..326911fc0 100644
--- a/src/pages/index.ts
+++ b/src/pages/index.ts
@@ -74,10 +74,11 @@ const events = {
   removeBefore: evPageRemoveBefore,
 };
 
-interface Config extends ModuleConfig {
+export interface PageManagerConfig extends ModuleConfig {
   pages?: string[];
 }
-export default class PageManager extends ItemManagerModule<Config, Pages> {
+
+export default class PageManager extends ItemManagerModule<PageManagerConfig, Pages> {
   storageKey = 'pages';
 
   get pages() {
@@ -105,7 +106,7 @@ export default class PageManager extends ItemManagerModule<Config, Pages> {
     bindAll(this, '_onPageChange');
     const model = new Model({ _undo: true } as any);
     this.model = model;
-    this.pages.on('reset', (coll) => coll.at(0) && this.select(coll.at(0)));
+    this.pages.on('reset', coll => coll.at(0) && this.select(coll.at(0)));
     this.pages.on('all', this.__onChange, this);
     model.on(chnSel, this._onPageChange);
 
@@ -120,15 +121,8 @@ export default class PageManager extends ItemManagerModule<Config, Pages> {
   onLoad() {
     const { pages } = this;
     const opt = { silent: true };
-    pages.add(
-      this.config.pages?.map(
-        (page) => new Page(page, { em: this.em, config: this.config })
-      ) || [],
-      opt
-    );
-    const mainPage = !pages.length
-      ? this.add({ type: typeMain }, opt)
-      : this.getMain();
+    pages.add(this.config.pages?.map(page => new Page(page, { em: this.em, config: this.config })) || [], opt);
+    const mainPage = !pages.length ? this.add({ type: typeMain }, opt) : this.getMain();
     mainPage && this.select(mainPage, opt);
   }
 
@@ -167,10 +161,7 @@ export default class PageManager extends ItemManagerModule<Config, Pages> {
     const { em } = this;
     props.id = props.id || this._createId();
     const add = () => {
-      const page = this.pages.add(
-        new Page(props, { em: this.em, config: this.config }),
-        opts
-      );
+      const page = this.pages.add(new Page(props, { em: this.em, config: this.config }), opts);
       opts.select && this.select(page);
       return page;
     };
@@ -207,7 +198,7 @@ export default class PageManager extends ItemManagerModule<Config, Pages> {
    * const somePage = pageManager.get('page-id');
    */
   get(id: string) {
-    return this.pages.filter((p) => p.get(p.idAttribute) === id)[0];
+    return this.pages.filter(p => p.get(p.idAttribute) === id)[0];
   }
 
   /**
@@ -218,7 +209,7 @@ export default class PageManager extends ItemManagerModule<Config, Pages> {
    */
   getMain() {
     const { pages } = this;
-    return pages.filter((p) => p.get('type') === typeMain)[0] || pages.at(0);
+    return pages.filter(p => p.get('type') === typeMain)[0] || pages.at(0);
   }
 
   /**
@@ -231,13 +222,7 @@ export default class PageManager extends ItemManagerModule<Config, Pages> {
    */
   getAllWrappers() {
     const pages = this.getAll();
-    return unique(
-      flatten(
-        pages.map((page) =>
-          page.getAllFrames().map((frame) => frame.getComponent())
-        )
-      )
-    );
+    return unique(flatten(pages.map(page => page.getAllFrames().map(frame => frame.getComponent()))));
   }
 
   /**
@@ -274,7 +259,7 @@ export default class PageManager extends ItemManagerModule<Config, Pages> {
     this.model.stopListening();
     this.model.clear({ silent: true });
     //@ts-ignore
-    ['selected', 'model'].map((i) => (this[i] = 0));
+    ['selected', 'model'].map(i => (this[i] = 0));
   }
 
   store() {