You can’t have a hotkey for that button, because even if you did, it wouldn’t know which arrow you wanted to use.
In you diagram you already have 2 arrow, which one is supposed to be used when you hit the key? ( the mesh might have 7 materials )
You can’t have a hotkey for that button, because even if you did, it wouldn’t know which arrow you wanted to use.
In you diagram you already have 2 arrow, which one is supposed to be used when you hit the key? ( the mesh might have 7 materials )