A link is a tie on a field to an object, in which the selection conditions of the destination object are passed trhough the attributes cond and the tag var.

1 link

<link
    name='name'
    code='code'
    user='user'
    dbms='dbms'
    cond='cond'
    secure='secure'
    meta='meta'
    target='target'
    sort='sort'
    hide='hide'
    mode='mode'
    extranet='true|false'
>
    <vars> +
        <varvalue /> !
    </vars>
</link>