elasticsearch-js/docs/reference/api/QueryDslFieldValueFactorScoreFunction.md

QueryDslFieldValueFactorScoreFunction [interface-QueryDslFieldValueFactorScoreFunction]

Name	Type	Description
factor	double	Optional factor to multiply the field value with.
field	Field	Field to be extracted from the document.
missing	double	Value used if the document doesn’t have that field. The modifier and factor are still applied to it as though it were read from the document.
modifier	QueryDslFieldValueFactorModifier	Modifier to apply to the field value.