[HELP] Recursive search on custom icon paths

[Skxxtz]

Hi there.
I'm building a GTK application. Within this app, I specified a custom location for GTK to look for icons in. The icons in that specific directory load just fine. However, when I try to move them into a subdirectory, they wont show anymore.

I'm probably doing something wrong in the setup of the icon directory. I'd be very thankful if anyone could point me in the right direction.

Example

In this example, google would load, but bing not

my_icon_theme/
├── scalable/
│   ├── bing.svg
├── google.svg