OptionaletagOptional opaque version string for optimistic locking, obtained from a prior read of the failover group. If provided, the update is rejected unless it matches the failover group's current etag. If omitted, the update proceeds without an optimistic-lock check.
OptionalfailoverThe failover group with updated fields. The name field identifies the resource and is populated from the URL path.
OptionalupdateComma-separated list of fields to update.
Request to update a failover group.