2. Syntax

/super_mesh
/mesh = ASSE_MAILLAGE (
    ◆ MAILLAGE_1 = mesh,
    ◆ MAILLAGE_2 = mesh,
    ◆ OPERATION =/"SOUS_STR ",
                  /"SUPERPOSE ",
                  /"COLLAGE ",
    # If: equal_to (" OPERATION ", 'COLLAGE')
        ◆ COLLAGE = _F (
             ◆ GROUP_MA_1 = Grma,
             ◆ GROUP_MA_2 = Grma,
          ),
)

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