scopes

A required parameter with a list of requested scopes for the access token. You have to specify a subset a scopes that you request for your app in Self Service. If you keep the scopes empty, only the default scope will be requested from user. You can view the list of available scopes here: https://dev.vk.com/ru/reference/access-rights. The user will see a screen where he may grant some of this scopes during authorization process.