This parameter is used to validate, data-player-id, data-player-name, and data-player-picture-url parameters. If you have set any of these parameters, then you must also set this parameter. To calculate the value of this parameter, first join the values of the data-player-id, data-player-name, data-player-picture-url parameters, and the Secret Key displayed in the Cloud Games section of your Novel Games Account Members Area
, and then calculate the MD5 hash of the resultant string. For example if data-player-id is set to "1234" (without quotes), data-player-name is "John Smith", data-player-picture-url is "http://www.website.com/picture.png", and your Secret Key is "asdfqwer", then the value of data-player-hash should be set to the MD5 hash of the string"1234John Smithhttp://www.website.com/picture.pngasdfqwer", which is "01217526eca0ed4a68ee2bb0b380ad97"