def METHOD_NAME(self, indentation):
    generic.print_dbg(indentation, "Action2 variable")
    self.num.METHOD_NAME(indentation + 2)
    if self.param is not None:
        generic.print_dbg(indentation + 2, "Parameter:")
        if isinstance(self.param, str):
            generic.print_dbg(indentation + 4, "Procedure call:", self.param)
        else:
            self.param.METHOD_NAME(indentation + 4)
        if len(self.extra_params) > 0:
            generic.print_dbg(indentation + 2, "Extra parameters:")
        for extra_param in self.extra_params:
            extra_param.METHOD_NAME(indentation + 4)