bool

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025           MONGOC_CLIENT_SESSION_IN_TRANSACTION(3)

       • session: A mongoc_client_session_t.

       Returns true if a transaction was started and has not been committed or aborted, otherwise false.

          bool
          mongoc_client_session_in_transaction (const mongoc_client_session_t *session);

       Check whether a multi-document transaction is in progress for this session.