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# renpy.rollback

Function: | renpy.rollback | ():

Call this to cause a rollback to occur. Only returns if rollback is not possible, otherwise control will be transferred to the rollback point.

    init python:
        def rollback_overlay():
            ui.textbutton("Back", clicked=renpy.rollback, xalign=1.0, yalign=0.0)

        config.overlay_functions.append(rollback_overlay)

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