Homatics Box R 4K Plus

For search purposes I share a solution I recently shared to a similar (same?) issue;

I think the solution is to add the KEYMAP file as a different format by saving a copy with the “.toml” extention.
Also add 2 lines:

[[protocols]]
[protocols.scancodes]

Source (end of article): 03. Meson IR: Creating a KEYMAP file from scratch · CoreELEC/remotes Wiki · GitHub