how to set setToken($authToken) value in google shopping api

[Ram meta]

hello,

How to setToken($authToken)   in google shopping api. any may i know the flow of shopping api .i tried getAccessToken($_GET['code']); erros show how to solve this problem

can any one help us ,

thanks in advances.

[Ram meta]

hello,

     // read the code from console

     //$code = readline('Please enter the code: ');

      $code = rtrim( fgets( STDIN ), "\n" );

     $authToken->getAccessToken($code);