How to set parent from child element in pdoMenu?

Question

MODX

There are several parents, each of which has several children.
In child elements, you need to specify menu items, only from this parent. Something like parent = id minus 1 level.
How to set it in pdoMenu? &parents=`?`
I didn’t find this in the documentation (((
Here , the same question, but also remained unanswered ((
In general, in the "grandchild 1-3 resources, you need a menu with items Grandson 1-3, i.e. only from the parent" Son1 " etc

Answer 1

pdoField

Answer 2

&parents=`0` will then be displayed from the root,
or the parent id
AND specify the nesting depth