@property<EOL><INDENT>def modifier_option_id(self):<DEDENT>
return self._modifier_option_id<EOL>
Gets the modifier_option_id of this V1PaymentModifier.
TThe ID of the applied modifier option, if available. Modifier options applied in older versions of Square Register might not have an ID.

:return: The modifier_option_id of this V1PaymentModifier.
:rtype: str