type of an entity
Dynamically creates a new word that will be known by the language.
Creates the type new and uses it to create the object
identifier id and of type new.
type commands list="fff"
Assigns function fffe to commands list property.
1) If yes type is active, the objects with
commands list property will be processed by the function fff.
2) The value of the property command list of such a volume is passed as a parameter to the function fff.
type liste de commandes=n1,n2,...
Assigns the user functions numbered n1,n2,... to the command list property.
It is necessary to change the function type_utilisateur() of the file