# Tag resources in Application Manager
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You can quickly add or delete tags on applications and Amazon resources in Application Manager. Use the following procedure to add a tag to or delete a tag from an application and all Amazon resources in that application.

**To add a tag to or delete a tag from an application and all resources in the application**

1. Open the Amazon Systems Manager console at [https://console.amazonaws.cn/systems-manager/](https://console.amazonaws.cn/systems-manager/).

1. In the navigation pane, choose **Application Manager**.

1. In the **Applications** section, choose a category. If you want to open an application you created manually in Application Manager, choose **Custom applications**.

1. Choose the application in the list. Application Manager opens the **Overview** tab.

1. In the **Application information** section, choose the number beneath **Application tags**. If no tags are assigned to the application, the number is zero.

1. To add a tag, choose **Add new tag**. Specify a key and an optional value. To delete a tag, choose **Remove**.

1. Choose **Save**. 

Use the following procedure to add a tag to or delete a tag from a specific resource in Application Manager.

**To add a tag to or delete a tag from a resource**

1. Open the Amazon Systems Manager console at [https://console.amazonaws.cn/systems-manager/](https://console.amazonaws.cn/systems-manager/).

1. In the navigation pane, choose **Application Manager**.

1. In the **Applications** section, choose a category. If you want to open an application you created manually in Application Manager, choose **Custom applications**.

1. Choose the application in the list. Application Manager opens the **Overview** tab.

1. Choose the **Resources** tab.

1. Choose a resource name.

1. In the **Tags** section choose **Edit**. 

1. To add a tag, choose **Add new tag**. Specify a key and an optional value. To delete a tag, choose **Remove**.

1. Choose **Save**.