Redirect after login to vk.com. How?

Question

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Is it possible to send a link to a redirect in vk.com/login.php after login?
something like vk.com/login.php?redirect_url=url

Answer 1

vk.com/login.php?to= %link in base64%
e.g.
vk.com/login.php?to=bWFpbA-- will
redirect to
vk.com/mail
and
vk.com/login.php?to=aWQx
will redirect to vk.com/id1