@quantity.setter<EOL><INDENT>def quantity(self, quantity):<DEDENT>
if quantity is None:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>if len(quantity) > <NUM_LIT:5>:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>if len(quantity) < <NUM_LIT:1>:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>self._quantity = quantity<EOL>
Sets the quantity of this CreateOrderRequestLineItem.
The quantity to purchase, as a string representation of a number.  This string must have a positive integer value.

:param quantity: The quantity of this CreateOrderRequestLineItem.
:type: str