2. Syntax

interspectrum = GENE_FONC_ALEA (
    ◆ INTE_SPEC = interspectrum,
    ◇ NUME_VITE_FLUI = int,
    ◇ INTERPOL =/"NON ",
                 /"OUI" (by default),
    # If: equal_to (" INTERPOL ", 'OUI')
        ◇ DUREE_TIRAGE = float,
        ◇ FREQ_INIT = float,
        ◇ FREQ_FIN = float,
    ◇ NB_POIN = int,
    ◇ NB_TIRAGE = int (default: 1),
    ◇ INIT_ALEA = int,
    ◇ INFO =/1 (by default),
             /2,
    ◇ TITRE = text,
)

◆: mandatory
◇: optional
: present by default
&: together
/: only one among
|: several possible choices