How to set Tab size with keyboard shortcut?

[MrMartineau]

I would like to setup keyboard shortcuts so I can quickly change tab sizes. After using

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sublime.log_commands(True)

I can see that when I change tab sizes, Sublime runs this:

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{"setting": "tab_size", "value": 2}

so I tried adding this to my keymap file, which does not work..

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   { "keys": ["super+ctrl+1"], "setting": "tab_size", "value": 1},
   { "keys": ["super+ctrl+2"], "setting": "tab_size", "value": 2},
   { "keys": ["super+ctrl+3"], "setting": "tab_size", "value": 3},
   { "keys": ["super+ctrl+4"], "setting": "tab_size", "value": 4}

Does anyone know how to do achieve what I need?

[MrMartineau]

After a bit of tinkering & investigation, I figured it out:

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   { "keys": ["super+ctrl+1"], "command": "set_setting", "args": {"setting": "tab_size", "value": 1} },
   { "keys": ["super+ctrl+2"], "command": "set_setting", "args": {"setting": "tab_size", "value": 2} },
   { "keys": ["super+ctrl+3"], "command": "set_setting", "args": {"setting": "tab_size", "value": 3} },
   { "keys": ["super+ctrl+4"], "command": "set_setting", "args": {"setting": "tab_size", "value": 4} }