KSC Open API  13.1
Kaspersky Security Center API description
SecurityPolicy::UpdateTrustee ( long  llTrusteeId,
params  pUserData 
)

Modifies properties of the specified user (either internal user or user and group from Active Directory); for internal groups use SecurityPolicy3.UpdateSecurityGroup;.

Parameters:
llTrusteeId(long) unique user or group id; (matches to ul_llTrusteeId, llUserId and llGroupId)
pUserData(params) user info, containing attributes "KLSPL_USER_*" (see List of user attributes).