customize jupyter lab shortcut

1{"shortcuts": 
2    [
3        {
4            "command": "notebook:clear-cell-output",
5            "keys": [
6                "Ctrl Shift R"
7            ],
8            "selector": "[data-jp-code-runner]"
9        }
10    ]
11}
12
13#This is an example for setting shortcut for clear-cell-output.
14#Look for the shortcut name (eg. notebook:clear-cell-output, etc) from the shortcut list.