Here is a list of all documented enums with links to the class documentation for each member:

- e -

• encryption_algorithm : mongocxx::v1::encrypt_options
• encryption_query_type : mongocxx::v1::encrypt_options
• errc : bsoncxx::v1::decimal128, bsoncxx::v1::document::view, bsoncxx::v1::element::view, bsoncxx::v1::oid, bsoncxx::v1::types::value, bsoncxx::v1::types::view, mongocxx::v1::client, mongocxx::v1::collection, mongocxx::v1::gridfs::bucket, mongocxx::v1::gridfs::downloader, mongocxx::v1::gridfs::uploader, mongocxx::v1::indexes, mongocxx::v1::instance, mongocxx::v1::pool, mongocxx::v1::server_api, mongocxx::v1::uri

- l -

• level : mongocxx::read_concern, mongocxx::v1::read_concern, mongocxx::v1::write_concern, mongocxx::v_noabi::read_concern, mongocxx::v_noabi::write_concern, mongocxx::write_concern

- r -

• read_mode : mongocxx::read_preference, mongocxx::v1::read_preference, mongocxx::v_noabi::read_preference

- t -

• transaction_state : mongocxx::v1::client_session
• type : mongocxx::v1::bulk_write, mongocxx::v1::cursor

- v -

• validation_action : mongocxx::v_noabi::validation_criteria, mongocxx::validation_criteria
• validation_level : mongocxx::v_noabi::validation_criteria, mongocxx::validation_criteria
• version : mongocxx::v1::server_api