it would be nice to have in the documentation area a correct api-description
compare this (existing) with the described

action get($options=array())
action add($actions)
action update($actions)
action addConditions($conditions)
action addOperations($operations)
action delete($actions)
alert get($options=array())
alert add($alerts)
alert delete($alertids)
apiinfo version()
application get($options=array())
application getObjects($app_data)
application add($applications)
application update($applications)
application delete($applications)
application addItems($data)
event get($options=array())
event add($events)
event delete($events)
event deleteByTriggerIDs($triggerids)
event acknowledge($events_data)
graphitem get($options = array())
graphitem getObjects($gitem_data)
graph get($options=array())
graph getObjects($graph_data)
graph add($graphs)
graph update($graphs)
graph delete($graphs)
graph addItems($items)
graph deleteItems($item_list, $force=false)
hostgroup get($params)
hostgroup getObjects($data)
hostgroup create($groups)
hostgroup update($groups)
hostgroup delete($groups)
hostgroup massAdd($data)
hostgroup massRemove($data)
hostgroup massUpdate($data)
host get($options=array())
host getObjects($host_data)
host create($hosts)
host update($hosts)
host massUpdate($data)
host massAdd($data)
host massRemove($data)
host delete($hosts)
item get($options=array())
item getObjects($item_data)
item add($items)
item update($items)
item delete($items)
maintenance get($options=array())
maintenance getObjects($maintenance)
maintenance add($maintenances)
maintenance update($maintenances)
maintenance delete($maintenances)
map get($options=array())
map add($maps)
map update($maps)
map delete($sysmaps)
map addLinks($links)
map addElements($selements)
map getSeId($data)
map addLinkTrigger($linktriggers)
screen get($options=array())
screen add($screens)
screen update($screens)
screen delete($screens)
screen setItems($screen_items)
screen deleteItems($screen_itemids)
script get($options = array())
script getObjects($script)
script add($scripts)
script update($scripts)
script delete($scripts)
script execute($scriptid,$hostid)
script getCommand($scriptid,$hostid)
script getScriptsByHosts($hostids)
template get($options = array())
template getObjects($template_data)
template create($templates)
template update($templates)
template delete($templates)
template massAdd($data)
template massRemove($data)
template linkHosts($data)
template unlinkHosts($data)
template linkTemplates($data)
template unlinkTemplates($data)
trigger get($options=array())
trigger getObjects($trigger)
trigger add($triggers)
trigger update($triggers)
trigger delete($triggers)
trigger addDependencies($triggers_data)
trigger deleteDependencies($triggers)
usergroup get($options=array())
usergroup getObjects($group_data)
usergroup add($usrgrps)
usergroup update($usrgrps)
usergroup updateRights($rights)
usergroup addRights($rights)
usergroup updateUsers($data)
usergroup removeUsers($data)
usergroup delete($usrgrps)
usermacro get($options=array())
usermacro getHostMacroObjects($macro_data)
usermacro add($macros)
usermacro update($macros)
usermacro updateValue($macros)
usermacro deleteHostMacro($hostmacros)
usermacro addGlobal($macros)
usermacro deleteGlobalMacro($globalmacros)
usermacro validate($macros)
usermacro getGlobalMacroObjects($macro_data)
usermacro getHostMacroId($macro_data)
usermacro getGlobalMacroId($macro_data)
usermacro getMacros($macros, $options)
usermacro resolveTrigger(&$triggers)
usermacro resolveItem(&$items)
user get($options=array())
user authenticate($user)
user checkAuth($session)
user getObjects($user_data)
user add($users)
user update($users)
user updateProfile($user)
user delete($users)
user addMedia($media_data)
user deleteMedia($media_data)
user updateMedia($data)
zbxapi clearErrors()
zbxapi getErrorMessages()
zbxapi resetErrors()