'Python Dash - Execute code on app shutdown

I develop apps in R Shiny and Python Dash.

On my Shiny apps, I can exectute some code when the user closes the app with the following code in server.R :

  session$onSessionEnded(function() {
    print("end of session")
    # execute some code
  })

Is there a way to make something similar in Dash when the user closes the app on the browser ?

python r shiny plotly-dash

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