How to do sorting using the GetResource plugin in ModxRevolution?

Question

MODX

GetResources output as follows:

I need a construction (this is how the documents are located in the resource tree):
Book 1
-Section
-Section
Book 2
-Section
-Section.
Currently it outputs inconsistently:
-Section
Book
-Section
Section I read the
forums and tried many different solutions, in most cases GetResources displays an empty sheet or everything remains unchanged.
How to make the snippet display information the way it is created in the resource tree?

Answer 1

GetResource in any way, IMHO. For a multi-level menu, wayfinder is better.
Or a few getResource calls, like this:
Book 1:

Book 2: