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Type: object
Default: {}

Some callbacks (e.g. objectLabel) do not have access to variables defined in your web page. That's because they're executed inside the iFrame.

With extraConfig, you can pass in an object to which the callbacks will have access to, containing variables and data from your application. It will be passed to them as one of the callback parameters.

The following callbacks are executed within the iFrame and they receive an extraConfig parameter: