Syntax
=====

.. code-block:: text

    interfer_dyna_class = DEFI_INTERF_DYNA (
        ◆ NUME_DDL = nume_ddl,
        ◆ INTERFACE = _F (
             ◇ & NOM = text,
               & TYPE =/"MNEAL ",
                        /"CRAIGB ",
                        /"CB_HARMO ",
                        /"AUCUN ",
             ◆/GROUP_NO = grno,
             ◇ MASQUE = text,
          ),
        ◇ FREQ = float (default: 1.0),
        ◇ INFO =/1 (by default),
                 /2,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices