@page_index.setter<EOL><INDENT>def page_index(self, page_index):<DEDENT>
if page_index is None:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>if page_index > <NUM_LIT:6>:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>if page_index < <NUM_LIT:0>:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>self._page_index = page_index<EOL>
Sets the page_index of this V1Page.
The page's position in the merchant's list of pages. Always an integer between 0 and 6, inclusive.

:param page_index: The page_index of this V1Page.
:type: int