any interface in MIP SDK can verify the validity of the user name

Is there any interface in MIP SDK can verify the validity of the user name? For example, if we pass in a user name, how can we know if the user is an account authorized by the management software?

This Multi-User Environment sample might be interesting for you –

https://doc.developer.milestonesys.com/html/index.html?base=samples/multiuserenvironment.html&tree=tree_2.html