Zabbix Alert in slack channel

gistfile1.txt

#!/bin/bash

# Requirement curl
# Create new script in nano /usr/lib/zabbix/alertscripts/media-slack.sh
# chmod +x media-slack.sh

# Create Slack App https://api.slack.com/apps/new
# Choose your app
# Select and active Incomming Webhooks
# Choose your channel to send messages
# Get the webhooks URL and update the script !

# ZABBIX Administration > Media types > Create media type
# Name = Slack
# Type = Script
# Script name = media-slack.sh
# Script parameters (one per line with {}) = {ALERT.SENDTO} {ALERT.SUBJECT} {ALERT.MESSAGE}
# Administration > User > Media > Add (to slack channel)

TO=$1 # {ALERT.SENDTO} not used
MESSAGE="$2\n$3" # {ALERT.SUBJECT} \n  {ALERT.MESSAGE}

curl -X POST -H 'Content-type: application/json' --data @<(cat <<EOF
{
  "text": "$MESSAGE",
  }
EOF
) https://hooks.slack.com/services/XXXXXXXX/XXXXXXXX/XXXXXXXXXXX