styleenv/share/jupyter/lab/schemas/@jupyter-notebook/notebook-extension/kernel-logo.json

{
  "title": "Kernel logo",
  "description": "Kernel logo in the top area",
  "jupyter.lab.toolbars": {
    "TopBar": [{ "name": "kernelLogo", "rank": 110 }]
  },
  "properties": {},
  "additionalProperties": false,
  "type": "object"
}