ExUssd.Handler.callback

You're seeing just the callback callback, go back to ExUssd.Handler module for more information.
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callback(menu, api_parameters)

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Specs

callback(menu :: menu() | map(), api_parameters :: api_parameters()) :: menu()
Link to this callback

callback(menu, api_parameters, metadata)

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Specs

callback(
  menu :: menu(),
  api_parameters :: api_parameters(),
  metadata :: metadata()
) :: menu()