How to bind Super+Alt+Right (for "Span window to right tile")?

[koppor]

I would like to have Super+Alt+Right for "Span window to right tile".

When being in the settings for "New accelartor key", the key binding Super+Alt+Right is not recognized. The field just is empty.

If I press it outside of the settings, there is a switch to the workspace on the right. In the Gnome key settings, I don't find this shortcut configured.

How to unbind Super+Alt+Right from workspace switching and rebind to span?

[koppor]

The hint is to re-bind the shortcuts using the CLI - I am using the Windows shortcuts here:

# Switch workspaces
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-right "['<Super><Control>Right']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-left  "['<Super><Control>Left']"

# Move windows between workspaces
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-right "['<Super><Control><Shift>Right']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-left  "['<Super><Control><Shift>Left']"

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I found out the shortcuts using

gsettings list-recursively org.gnome.desktop.wm.keybindings | grep workspace