Specifies the action to post to service when the rule condition is evaluated. The discriminator is always RuleWebhookAction in this case.
specifies the type of the action. There are two types of actions: RuleEmailAction and RuleWebhookAction. Expected value is 'Microsoft.Azure.Management.Insights.Models.RuleWebhookAction'.
the dictionary of custom properties to include with the post operation. These data are appended to the webhook payload.
the service uri to Post the notification when the alert activates or resolves.