Create a new channel in Rocket.Chat and copy the token
Copy the script to the alertscript path
Create a new media type with the name of the script $1 = {ALERT.SENDTO} $2 = {ALERT.SUBJECT} $3 = {ALERT.MESSAGE}
Add media to the correct user type : rocketchat script send to: the token of the rocketchat channel
Create the action in Zabbix
** Operation: Default subject: {TRIGGER.STATUS} Default message: {EVENT.NAME} ({TRIGGER.SEVERITY}) on {HOST.HOST}
** Recovery Operation Default subject: {TRIGGER.STATUS} Default message: {EVENT.NAME} ({TRIGGER.SEVERITY}) on {HOST.HOST}
** Update Operations Default subject: UPDATE Default message: {USER.FULLNAME} acknowledged problem at {ACK.DATE} {ACK.TIME} with the following message: {ACK.MESSAGE}. {EVENT.NAME} ({TRIGGER.SEVERITY}) on {HOST.HOST}
!! (make sure it fits on 1 line no enters, rocketchat will not like it and refuse to print anything) !!