Information related to how and why a fallback result was used. If this field is set, then it means the server used a different routing mode from your preferred mode as fallback.
| JSON representation |
|---|
{ "routingMode": enum ( |
| Fields | |
|---|---|
routingMode |
Routing mode used for the response. If fallback was triggered, the mode may be different from routing preference set in the original client request. |
reason |
The reason why fallback response was used instead of the original response. This field is only populated when the fallback mode is triggered and the fallback response is returned. |