Extrafield cf_ref configuration

cf_ref on commandedet:

stdClass Object
(
    [rowid] => 3001034
    [name] => cf_ref
    [entity] => 1
    [elementtype] => commandedet
    [tms] => 2026-01-30 19:50:13
    [label] => REF
    [type] => varchar
    [size] => 50
    [fieldunique] => 0
    [fieldrequired] => 0
    [perms] => 
    [pos] => 1
    [alwayseditable] => 1
    [param] => a:1:{s:7:"options";a:1:{s:0:"";s:7:"/custom";}}
    [list] => 1
    [totalizable] => 0
    [ishidden] => 0
    [fieldcomputed] => 
    [fielddefault] => 
    [langs] => 
    [fk_user_author] => 1
    [fk_user_modif] => 1
    [datec] => 2026-01-30 19:50:13
    [enabled] => 1
    [help] => 
    [printable] => 1
    [css] => 
    [cssview] => 
    [csslist] => 
    [module] => 
)

Required (fieldrequired): 0

cf_ref on propaldet:

Required (fieldrequired): 0