DynamoDB > Enums > VectorDistanceFunction VectorDistanceFunction¶ Enum Class¶ VectorDistanceFunction ¶ Bases: UnknownEnumMixin, StrEnum Attributes¶ COSINE class-attribute instance-attribute ¶ COSINE = 'COSINE' DOT_PRODUCT class-attribute instance-attribute ¶ DOT_PRODUCT = 'DOT_PRODUCT' EUCLIDEAN class-attribute instance-attribute ¶ EUCLIDEAN = 'EUCLIDEAN'