CustomWizardFooterFunction: ((activeStep: WizardStepType, onNext: ((event: React.MouseEvent<HTMLButtonElement>) => void | Promise<void>), onBack: ((event: React.MouseEvent<HTMLButtonElement>) => void | Promise<void>), onClose: ((event: React.MouseEvent<HTMLButtonElement>) => void | Promise<void>)) => React.ReactElement<WizardFooterProps>)

Callback for the Wizard's 'footer' property. Returns element which replaces the Wizard's default footer.