@variation_name.setter<EOL><INDENT>def variation_name(self, variation_name):<DEDENT>
if variation_name is None:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>if len(variation_name) > <NUM_LIT:255>:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>self._variation_name = variation_name<EOL>
Sets the variation_name of this OrderLineItem.
The name of the variation applied to this line item.

:param variation_name: The variation_name of this OrderLineItem.
:type: str