Discovery Engine V1 API - Module Google::Cloud::DiscoveryEngine::V1::SearchRequest::RankingExpressionBackend (v2.10.0)

Reference documentation and code samples for the Discovery Engine V1 API module Google::Cloud::DiscoveryEngine::V1::SearchRequest::RankingExpressionBackend.

The backend to use for the ranking expression evaluation.

Constants

RANKING_EXPRESSION_BACKEND_UNSPECIFIED

value: 0
Default option for unspecified/unknown values.

BYOE

value: 1
Deprecated: Use RANK_BY_EMBEDDING instead. Ranking by custom embedding model, the default way to evaluate the ranking expression. Legacy enum option, RANK_BY_EMBEDDING should be used instead.

CLEARBOX

value: 2
Deprecated: Use RANK_BY_FORMULA instead. Ranking by custom formula. Legacy enum option, RANK_BY_FORMULA should be used instead.

RANK_BY_EMBEDDING

value: 3
Ranking by custom embedding model, the default way to evaluate the ranking expression.

RANK_BY_FORMULA

value: 4
Ranking by custom formula.

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Last updated 2026-07-10 UTC.

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