def METHOD_NAME(self, widget, parent, context):
    """
    Inserts the beginning (A) marker
    """
    self.beginning_marker.props.position = context['current-position']
    providers.register('playback-markers', self.beginning_marker)
    context['current-marker'] = self.beginning_marker
    playback.MoveMarkerMenuItem.METHOD_NAME(self, widget, parent, context)