@property<EOL><INDENT>def rate(self):<DEDENT>
return self._rate<EOL>
Gets the rate of this V1Discount.
The rate of the discount, as a string representation of a decimal number. A value of 0.07 corresponds to a rate of 7%. This rate is 0 if discount_type is VARIABLE_PERCENTAGE.

:return: The rate of this V1Discount.
:rtype: str