Function embedded_document 

pub fn embedded_document(
    path: impl StringOrArray,
    operator: impl SearchOperatorParam,
) -> SearchOperator<EmbeddedDocument>

The embeddedDocument operator is similar to $elemMatch operator. It constrains multiple query predicates to be satisfied from a single element of an array of embedded documents. embeddedDocument can be used only for queries over fields of the embeddedDocuments

For more details, see the embeddedDocument operator reference.

These methods can be chained before into_stage to set options:

• score