Update User
Updates the attributes of a user.
Signature: update(cinfo)
Parameters:
cinfo['acctid'] - The user that should be moved
cinfo['attributes'] - Optional attributes that can be used to indicate the new context
Return Value:
ACSuccess 0
ACUnknownError 1
ACInvalidUser 7
Remarks:
The agent.stableId, agent.longId, agent.shortId and agent.addAccountAttr callbacks should be used to return information on the updated user. See the callback section for full details on the individual callbacks.