How to custom cell

We don’t have very comprehensive docs for this right now. (Perhaps you could be the one to write a tutorial?)

Basically, you’ll need to write a JupyterLab extension that provides your custom cell class to the notebook. You can do this by providing an extension that overrides the default cell provider at You’d probably inherit from the notebook panel content factory at (which itself inherits from the notebook content factory at and override the createCodeCell method.

We’re happy to answer questions you may have.