diff --git a/components/ILIAS/ILIASObject/src/Creation/AddNewItemGUI.php b/components/ILIAS/ILIASObject/src/Creation/AddNewItemGUI.php
index d5f26b53029a..ea72747975ae 100755
--- a/components/ILIAS/ILIASObject/src/Creation/AddNewItemGUI.php
+++ b/components/ILIAS/ILIASObject/src/Creation/AddNewItemGUI.php
@@ -20,6 +20,11 @@
 
 namespace ILIAS\ILIASObject\Creation;
 
+use Closure;
+use ILIAS\UI\Component\Clickable;
+use ILIAS\UI\Component\Divider\Horizontal;
+use ILIAS\UI\Component\Menu\Sub;
+use ILIAS\UI\Component\Modal\RoundTrip;
 use ILIAS\UI\Factory as UIFactory;
 use ILIAS\UI\Renderer as UIRenderer;
 
@@ -31,10 +36,6 @@
 class AddNewItemGUI
 {
     private \ilLanguage $lng;
-    private \ilObjectDefinition $obj_definition;
-    private \ilSetting $settings;
-    private \ilAccessHandler $access;
-    private \ilCtrl $ctrl;
     private \ilToolbarGUI $toolbar;
     private \ilGlobalTemplateInterface $tpl;
 
@@ -42,7 +43,7 @@ class AddNewItemGUI
     private UIRenderer $ui_renderer;
 
     /**
-     * @param array<ILIAS\ILIASObject\Creation\AddNewItemElement> $elements
+     * @param array<AddNewItemElement> $elements
      * The Key MUST contain the object type or the
      */
     public function __construct(
@@ -60,8 +61,9 @@ public function __construct(
 
     /**
      * Add new item selection to current page incl. toolbar (trigger) and overlay
+     * @param ?Closure(RoundTrip):RoundTrip $modal_manipulation_callback
      */
-    public function render(): void
+    public function render(?Closure $modal_manipulation_callback = null): void
     {
         if ($this->elements === []) {
             return;
@@ -74,6 +76,10 @@ public function render(): void
             )
         );
 
+        if ($modal_manipulation_callback !== null) {
+            $modal = $modal_manipulation_callback($modal);
+        }
+
         $this->toolbar->addComponent(
             $this->ui_factory->button()->primary(
                 $this->lng->txt('cntr_add_new_item'),
@@ -87,7 +93,8 @@ public function render(): void
     }
 
     /**
-     * @return 	array<Component\Menu\Sub|Component\Clickable|Divider\Horizontal>
+     * @param array<AddNewItemElement> $elements
+     * @return ?array<Sub|Clickable|Horizontal>
      */
     private function buildAddNewItemsMenu(array $elements): ?array
     {
@@ -99,6 +106,7 @@ private function buildAddNewItemsMenu(array $elements): ?array
                     $element->getLabel(),
                     $this->buildAddNewItemsMenu($element->getSubElements())
                 );
+                continue;
             }
             if ($element->getType() === AddNewItemElementTypes::Object) {
                 $sub_menu[] = $this->ui_factory->link()->bulky(
@@ -106,7 +114,6 @@ private function buildAddNewItemsMenu(array $elements): ?array
                     $element->getLabel(),
                     $element->getCreationUri()
                 );
-                continue;
             }
         }
 
diff --git a/components/ILIAS/ItemGroup/classes/class.ilObjItemGroupAccess.php b/components/ILIAS/ItemGroup/classes/class.ilObjItemGroupAccess.php
index bf1dcd297b75..fd8ea4242117 100755
--- a/components/ILIAS/ItemGroup/classes/class.ilObjItemGroupAccess.php
+++ b/components/ILIAS/ItemGroup/classes/class.ilObjItemGroupAccess.php
@@ -42,13 +42,13 @@ public static function _getCommands(): array
         global $DIC;
 
         $DIC->language()->loadLanguageModule("itgr");
-        $commands = array(
-            array("permission" => "read", "cmd" => "gotoParent", "lang_var" => "", "default" => true),
-            array("permission" => "write", "cmd" => "listMaterials", "lang_var" => "itgr_assign_materials", "default" => false),
-            array("permission" => "write", "cmd" => "edit", "lang_var" => "settings", "default" => false)
-        );
 
-        return $commands;
+        return [
+            ["permission" => "read", "cmd" => "gotoParent", "lang_var" => "", "default" => true],
+            ["permission" => "write", "cmd" => "addOrAssignObject", "lang_var" => "itgr_create_and_assign_object", "default" => false],
+            ["permission" => "write", "cmd" => "listMaterials", "lang_var" => "itgr_assign_materials", "default" => false],
+            ["permission" => "write", "cmd" => "edit", "lang_var" => "settings", "default" => false]
+        ];
     }
 
     public function _checkAccess(string $cmd, string $permission, int $ref_id, int $obj_id, ?int $user_id = null): bool
diff --git a/components/ILIAS/ItemGroup/classes/class.ilObjItemGroupGUI.php b/components/ILIAS/ItemGroup/classes/class.ilObjItemGroupGUI.php
index 96e79d84cd10..bede0d960ef8 100755
--- a/components/ILIAS/ItemGroup/classes/class.ilObjItemGroupGUI.php
+++ b/components/ILIAS/ItemGroup/classes/class.ilObjItemGroupGUI.php
@@ -16,8 +16,10 @@
  *
  *********************************************************************/
 
+use ILIAS\ILIASObject\Creation\AddNewItemGUI;
 use ILIAS\ItemGroup\StandardGUIRequest;
 use ILIAS\ILIASObject\Properties\Translations\TranslationGUI;
+use ILIAS\UI\Component\Modal\RoundTrip;
 
 /**
  * User Interface class for item groups
@@ -223,32 +225,37 @@ protected function afterUpdate(): void
         parent::afterUpdate();
     }
 
-    public function listMaterials(): void
+    public function addOrAssignObject(): void
     {
-        $tree = $this->tree;
-        $ilTabs = $this->tabs;
-        $tpl = $this->tpl;
+        $this->listMaterials(true);
+    }
 
+    public function listMaterials(bool $show_add_or_assign_modal = false): void
+    {
         $this->checkPermission("write");
 
-        $ilTabs->activateTab("materials");
+        $this->tabs->activateTab("materials");
 
-        $parent_ref_id = $tree->getParentId($this->object->getRefId());
+        $parent_ref_id = $this->tree->getParentId($this->object->getRefId());
         $parent_type = ilObject::_lookupType($parent_ref_id, true);
-        $parent_gui_class = 'ilObj' . $this->obj_definition->getClassName($parent_type) . 'GUI';
+        $parent_gui_class = "ilObj{$this->obj_definition->getClassName($parent_type)}GUI";
         $this->ctrl->setParameterByClass($parent_gui_class, 'ref_id', $parent_ref_id);
-        $gui = new ILIAS\ILIASObject\Creation\AddNewItemGUI(
+        $gui = new AddNewItemGUI(
             $this->buildAddNewItemElements(
                 $this->getCreatableObjectTypes(),
                 $parent_gui_class,
                 $this->object->getRefId()
             )
         );
-        $gui->render();
+        $gui->render(
+            static fn(RoundTrip $modal) => $show_add_or_assign_modal
+                ? $modal->withOnLoad($modal->getShowSignal())
+                : $modal
+        );
         $this->ctrl->clearParameterByClass($parent_gui_class, 'ref_id');
 
         $tab = new ilItemGroupItemsTableGUI($this->gui, $this, "listMaterials");
-        $tpl->setContent($tab->getHTML());
+        $this->tpl->setContent($tab->getHTML());
     }
 
     public function getCreatableObjectTypes(): array
diff --git a/lang/ilias_de.lang b/lang/ilias_de.lang
index aa93b38588d9..966456c9e0d8 100644
--- a/lang/ilias_de.lang
+++ b/lang/ilias_de.lang
@@ -10770,6 +10770,7 @@ itgr#:#itgr_assigned_materials#:#Objekte im Objekteblock
 itgr#:#itgr_assignment#:#Eingebunden
 itgr#:#itgr_behaviour#:#Verhalten
 itgr#:#itgr_behaviour_info#:#Das System merkt sich den Zustand (geöffnet/geschlossen) je Benutzer bis zur Abmeldung (Logout).
+itgr#:#itgr_create_and_assign_object#:#Objekt erstellen und zuweisen
 itgr#:#itgr_desc_info#:#Die Beschreibung wird bei der Anzeige des Objekteblocks nicht mit ausgegeben.
 itgr#:#itgr_edit#:#Einstellungen des Objekteblocks
 itgr#:#itgr_expandable_closed#:#Ausklappbar (zunächst geschlossen)
@@ -10780,6 +10781,7 @@ itgr#:#itgr_list_default#:#Standard
 itgr#:#itgr_list_default_info#:#Übernimmt die Einstellung des übergeordneten Containers.
 itgr#:#itgr_list_presentation#:#Präsentationsansicht für Inhalte
 itgr#:#itgr_materials#:#Objekte
+itgr#:#itgr_organise_objects#:#Objekte verwalten
 itgr#:#itgr_show_title#:#Titel anzeigen
 itgr#:#itgr_show_title_info#:#Der Titel des Objekteblocks wird angezeigt.
 itgr#:#itgr_tile#:#Kacheln
diff --git a/lang/ilias_en.lang b/lang/ilias_en.lang
index fec96911362f..59464acd8ea4 100644
--- a/lang/ilias_en.lang
+++ b/lang/ilias_en.lang
@@ -10739,11 +10739,12 @@ irss#:#type#:#File Type
 irss#:#upload_field_title#:#Selected Files
 irss#:#upload_modal_title#:#Add Files
 itgr#:#itgr_always_open#:#Always Open
-itgr#:#itgr_assign_materials#:#Assign Materials
+itgr#:#itgr_assign_materials#:#Organize Objects
 itgr#:#itgr_assigned_materials#:#Assigned Materials
 itgr#:#itgr_assignment#:#Assigned
 itgr#:#itgr_behaviour#:#Block Behaviour
 itgr#:#itgr_behaviour_info#:#The system will store the opened/closed state for the current user until logout.
+itgr#:#itgr_create_and_assign_object#:#Create and Assign Object
 itgr#:#itgr_desc_info#:#The description will not be a part of the item group's presentation in its container.
 itgr#:#itgr_edit#:#Edit Item Groups
 itgr#:#itgr_expandable_closed#:#Expandable (initially closed)
@@ -10754,6 +10755,7 @@ itgr#:#itgr_list_default#:#Default
 itgr#:#itgr_list_default_info#:#Inherits value from upper container.
 itgr#:#itgr_list_presentation#:#Item Presentation
 itgr#:#itgr_materials#:#Materials
+itgr#:#itgr_organise_objects#:#Manage Objects
 itgr#:#itgr_show_title#:#Show Title
 itgr#:#itgr_show_title_info#:#Shows title of item group in presentation for learner.
 itgr#:#itgr_tile#:#Tiles