How to select multiple child resources?

Question

MODX

I recently switched from evo to revo, I need to implement multitv, I used ddTree in evo.
And in revo I select "TV list of resources", I specify the parent, in the resource you can select only once a child resource, but how to implement so that you can select several without creating several TV fields?
And I'll ask the second question here, which "comments", "question answer" extensions are best for revo?

Answer 1

You can use MIGX, you can write your own TV, you can do as you did.

Answer 2

It seems to have implemented this through a multiple list, Possible values ​​-> @SELECT `pagetitle` AS `name`,`id` FROM `site_content` WHERE `published` = 1 AND `deleted` = 0 AND parent = 3
Is there another way?