Required. The name of the Cloud Run service
being addressed. See
Only services located in the same project as the
trigger object can be addressed.
Optional. The relative path on the Cloud Run
service the events should be sent to.
The value must conform to the definition of a
URI path segment (section 3.3 of RFC2396).
Examples: "/route", "route", "route/subroute".
Required. The region the Cloud Run service is