Azure event grid topic type4/1/2024 You might ask yourself now, there are only four string properties and one data, where’s the topic property? Probably once the event above is published to the Event Grid Topic, the topic property is added to the event. In bold you can see the event details ( data) and Id, Subject, EventType and EventTime, which are the mandatory string properties. Therefore, the payload could look like: [ This method of the HttpClient requires the content (event data) and Endpoint URL, which also can be found in the Azure Event Grid Topic Overview. To actually sent the event, you can use the PostAsync method. Hence, you add a default request header with the key “aeg-sas-key” with the value in key1 found in the Azure Event Grid Topic Overview. First of all, a Event Grid Topic requires either a SAS-key or key authentication, however the last one is easier to implement in a. ![]() NET client to the Event Grid Topic, you’ll need to know the endpoint (URL) and SAS-Key. Login to Azure Portal and click on create a resource, search for Event Grid Topics. Hence to be able to sent a custom event with a. NET client for instance can leverage the namespace using a HttpClient. Subsequently, a custom event needs these properties. Custom Events to Event Grid TopicĬustom events need to adhere to a schema, which includes five mandatory string properties and a required data object. And the mechanism of subscriptions in Logic App and Functions is through WebHooks, which I will eloborate more about in event subscribers. ![]() Futhermore, consumers can be a Function, Logic App, WebHook or Azure Automation currently. The consumption of the events will be through the custom Event Grid Topic as shown above. Therefore, each handler can operate on the event. Hence, a broadcast of a single event to multiple handlers can be accomplished. Subsequently, the subscription is set on either Event Type and/or filters (Prefix, Suffix). Routing with Event Grid TopicĬustom events can be pushed to an Event Grid Topic, which can have multiple subscribers. And once the Topic becomes available you can hook it up with one of more subscribers. Consequently, a Topic can be provisioned through the Azure Portal. Some of the characteristics of Event Grid are discussed in one of Tom Kerhove’s latest’s posts : Exploring Azure Event Grid.Įvent Grid offers custom event routing capabilities with an Event Grid Topic. On the Create Event Grid System Topic page, select Azure Resource Management - Preview for Topic type. On the Event Grid system topics page, select Create on the toolbar. Event Grid is a managed service in Azure with service fabric underneath. In the search bar, type Event Grid System Topics, and select it from the drop-down list. However, we are talking events here and not messaging. Moreover, it offers a uniform publish-subscribe model similar to the model of the BizTalk runtime. Event Grid Topic is a part of Event Grid, a new Platform Service, which provides intelligent event routing through filters and event types.
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