Syntax
=====

.. code-block:: text

    vect_asse_gene = ASSE_VECT_GENE (
        ◆ NUME_DDL_GENE = nume_ddl_gene,
        ◇ METHODE =/"CLASSIQUE" (by default),
                    /"INITIAL ",
        # If: equal_to (" METHODE ", 'CLASSIQUE')
            ◆ CHAR_SOUS_STRUC = _F (
                 ◆ SOUS_STRUC = text,
                 ◆ VECT_ASSE = cham_no,
              ),
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices