This article shows you how to create and manage system topics using the Azure portal. For an overview of system topics, seeSystem topics.

Create a system topic

You can create a system topic for an Azure resource (Storage account, Event Hubs namespace, etc.) in two ways:

• Using theEvents page of a resource, for example, Storage Account or Event Hubs Namespace. Event Grid automatically creates a system topic for you in this case.

  When you use theEvents page in the Azure portal to create an event subscription for an event raised by an Azure source (for example: Azure Storage account), the portal creates a system topic for the Azure resource and then creates a subscription for the system topic. You specify the name of the system topic if you're creating an event subscription on the Azure resource for the first time. From the second time onwards, the system topic name is displayed for you in the read-only mode. SeeQuickstart: Route Blob storage events to web endpoint with the Azure portal for detailed steps.

• Using theEvent Grid System Topics page. You create a system topic manually in this case by using the following steps.

  1. Sign in toAzure portal.

  2. In the search box at the top, typeEvent Grid System Topics, and then pressENTER.

     

  3. SelectSystem Topics on the left navigation bar. Then, on theEvent Grid System Topics page, select+ Create on the toolbar.

     

  4. On theCreate Event Grid System Topic page, do the following steps:

     1. Select thetopic type. In the following example,Storage Accounts option is selected.

     2. Select theAzure subscription that has your storage account resource.

     3. Select theresource group that has the storage account.

     4. Select thestorage account.

     5. Enter aname for the system topic to be created.

        Note

        You can use this system topic name to search metrics and diagnostic logs.

     6. SelectReview + create.

        

     7. Review settings and selectCreate.

        

     8. After the deployment succeeds, selectGo to resource to see theEvent Grid System Topic page for the system topic you created.

        

View all system topics

Follow these steps to view all existing Event Grid system topics.

1. Sign in toAzure portal.

2. In the search box at the top, typeEvent Grid System Topics, and then pressENTER.

   

3. On theEvent Grid System Topics page, you see all the system topics.

   

4. Select asystem topic from the list to see details about it.

   

   This page shows you details about the system topic such as the following information:

   • Source. Name of the resource on which the system topic was created.
   • Source type. Type of the resource. For example:Microsoft.Storage.StorageAccounts,Microsoft.EventHub.Namespaces,Microsoft.Resources.ResourceGroups, and so on.
   • Any subscriptions created for the system topic.

   This page allows operations such as the following ones:

   • Create an event subscription Select+Event Subscription on the toolbar.
   • Delete an event subscription. SelectDelete on the toolbar.
   • Add tags for the system topic. SelectTags on the left menu, and specify tag names and values.

Delete a system topic

1. Follow instructions from theView system topics section to view all system topics, and select the system topic that you want to delete from the list.

2. On theEvent Grid System Topic page, selectDelete on the toolbar.

   

3. On the confirmation page, selectOK to confirm the deletion. It deletes the system topic and also all the event subscriptions for the system topic.

Related content

See theSystem topics in Azure Event Grid section to learn more about system topics and topic types supported by Azure Event Grid.