OptionalmodelThe model provider service to create. The server populates name from
parent + model_provider_service_id; clients should leave it unset.
OptionalmodelName for the model provider service, e.g. "openai_prod".
OptionalparentName of the parent schema.
Format: schemas/{catalog}.{schema}.
Each {...} component is capped at 255 characters individually.
Request to create a new model provider service.