2. Syntax

/map
/fiel_no = RAFF_XFEM (
    ◇ TYPE =/"DISTANCE" (by default),
             /"ZONE ",
    ◆ FISSURE = fiss_xfem,
    # If: equal_to (" TYPE ", 'ZONE')
        ◆ RAYON = float,
)

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