You can install/update this plugin in Jenkins update center (Manage Jenkins -> Manage Plugins, search Azure Event Grid Notifier Plugin).
You can also manually install the plugin if you want to try the latest feature before it's officially released. To manually install the plugin:
targetfolder of your repo, click Upload.
To use this plugin, first you need to create an Azure Event Grid Topic
You can define a custom subject and a custom message using environment variables such as:
or just leave the default message and subject.