fb=FogBugz('http://fogbugz.unity3d.com')
fb.logon(LOGIN, PWD)
IXSTATUS_RESOLVED_DUPLICATE = 42
case = 2
duplicate_of = 1
res = self.fb.search(q=str(case), cols='ixBugEventLatest')
latest_event = res.ixbugeventlatest.string
api = slumber.API("http://fogbugz.unity3d.com/f/api/0")
payload = {
    'ixDuplicateOf': int(duplicate_of),
        'ixStatus': IXSTATUS_RESOLVED_DUPLICATE,
            'sCommand': "resolve",
    'ixBugEventLatest': int(latest_event)
}
# post to http://fogbugz.unity3d.com/f/api/0/cases/2?token=fb.token
api.cases(case).post(payload, token=fb._token)