#linux_shell
true:   #echo $?    ->  0
fail:   #echo $?    ->  1/constant

#zabbix_action
true:   #resoult_generate   1
fail:   #resoult_generate   0

#zabbix_UserParameter
(UserParameter=key[*],command)
true:   #command_true   ->  1
fail:   #command_fail   ->  0

#
true:   #
fail:   #

#
true:   #
fail:   #