The categories to match on, or * for all.
*
The events to match on, or * for all.
The hubs to match on, or * for all.
The upstream URL Template. This can be a url or a template such as http://host.com/{hub}/api/{category}/{event}.
http://host.com/{hub}/api/{category}/{event}
Specifies the Managed Identity IDs to be assigned to this signalR upstream setting by using resource uuid as both system assigned and user assigned identity is supported.