2. Syntax

vect_asse_gene = PROJ_VECT_BASE (
    ◆ BASE = mode_gene/mode_meca,
    ◆ NUME_DDL_GENE = nume_ddl_gene,
    ◆ TYPE_VECT =/"FORC ",
                  /"DEPL ",
                  /"VITE ",
                  /"ACCE ",
    ◆/VECT_ASSE = cham_no,
      /VECT_ASSE_GENE = vect_asse_gene,
)

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