--- title: "Assign Model Object Permissions (Master Data Services) | Microsoft Docs" ms.custom: "" ms.date: "06/13/2017" ms.prod: "sql-server-2014" ms.reviewer: "" ms.technology: master-data-services ms.topic: conceptual helpviewer_keywords: - "models [Master Data Services], assigning object permissions" - "permissions [Master Data Services], assigning model object permissions" ms.assetid: 4b80148d-2318-415c-9479-28c240e48bcd author: lrtoyou1223 ms.author: lle manager: craigg --- # Assign Model Object Permissions (Master Data Services) In [!INCLUDE[ssMDSshort](../includes/ssmdsshort-md.md)], assign permissions to model objects when you need to give a user or group access to data in the **Explorer** functional area of [!INCLUDE[ssMDSmdm](../includes/ssmdsmdm-md.md)], or when you need to make a user or group an administrator. > [!NOTE] > When you assign permission to a model, permission to all other models is implicitly denied. If you do not assign model object permissions, the user or group cannot access any data in **Explorer**. ## Prerequisites To perform this procedure: - You must have permission to access the **Users and Group Permissions** functional area. - You must be a model administrator. For more information, see [Administrators (Master Data Services)](administrators-master-data-services.md). ### To assign model object permissions 1. In [!INCLUDE[ssMDSmdm](../includes/ssmdsmdm-md.md)], click **User and Group Permissions**. 2. On the **Users** or **Groups** page, select the row for the user or group that you want to edit. 3. Click **Edit selected user**. 4. Click the **Models** tab. 5. Optionally, select a model from the **Model** list. 6. Click **Edit**. 7. Expand the tree, and click the model object you want to assign permissions to. 8. From the menu, select **Read-only**, **Update**, or **Deny**. 9. Click **Save**. ## Next Steps - (Optional) [Assign Hierarchy Member Permissions (Master Data Services)](../../2014/master-data-services/assign-hierarchy-member-permissions-master-data-services.md) ## See Also [Delete Model Object Permissions (Master Data Services)](../../2014/master-data-services/delete-model-object-permissions-master-data-services.md) [Model Object Permissions (Master Data Services)](../../2014/master-data-services/model-object-permissions-master-data-services.md) [Create a Model Administrator (Master Data Services)](../../2014/master-data-services/create-a-model-administrator-master-data-services.md)