The routine zabbix_send contained in the shareable zabbix_sender_shr32.exe

Routine syntax:

zabbix_send(key, value [, change], [host])

key type string, this is the key defined on the Zabbix server
value type string
change 1 if the value has not change, don't send the information to Zabbix
host type string the hostname defined in the Zabbix server