How to filter products by TV in getProducts?

Question

MODX

Hello,
there is such a tv metrag with multiple choice

до 6 кв.м==#до 6 кв.м#||до 9 кв.м==#до 9 кв.м#||12 кв. м. и более==#12 кв. м. и более#

I want to call products with filtration up to 6 sq.m on the main
page, I call like this

Everything seems to be in the documentation...

Answer 1

Good afternoon)
I would do like this:
And call: