jupyterlab/packages/settingeditor-extension/schema/plugin.json

{
  "title": "Setting Editor",
  "description": "Setting editor settings.",
  "jupyter.lab.shortcuts": [
    {
      "command": "settingeditor:open",
      "keys": ["Accel ,"],
      "selector": "body"
    },
    {
      "command": "settingeditor:save",
      "keys": ["Accel S"],
      "selector": ".jp-SettingEditor"
    }
  ],
  "properties": {},
  "additionalProperties": false,
  "type": "object"
}