# cf-agent -Kb config_zabbix teste.cf
teste.cf:9:128: error: Unknown function
                "hostname"        string => contat(string_upcase(string_head("$(hostnamedata[0])", 1)), string_downcase("$(hostnamedata[0])"));
                                                                                                                               ^
2015-07-09T17:19:10-0300    error: There are syntax errors in policy files
2015-07-09T17:19:10-0300    error: Policy failed validation with command '"/var/cfengine/bin/cf-promises" "teste.cf" -b "config_zabbix"'