Copy and save into teams.sh file. Make executable. Change web hook, Run!

The script is a modified Slack script from off the web.

#!/bin/bash
# bash script to send messages to Microsoft Teams.
 function usage {
     echo "HELP ME!"
     echo "description: send messages to Microsoft Teams channels"
     echo "special notes: You'll need to change the teamsUrl variable to contain your webhook from Teams."
     echo "usage: ${0} -b \"Message contents\""
     echo "      -m    Message body"
     echo "      -h    This help info"
     exit 1
 }
 while getopts "m:h" opt; do
   case ${opt} in
     m) msgBody="$OPTARG"
     ;;
     h) usage
     ;;
     \?) echo "Invalid option -$OPTARG" >&2
     ;;
   esac
 done
# Add/Change the webhook to one you created in Teams
 teamsUrl="https://teamswebhook"
 if [[ ! "${msgBody}" ]]; then
     echo "You didn't specify a message!"
     usage
 fi
 read -d '' payLoad << EOF
 {
                     "text": "${msgBody}",
 }
EOF
statusCode=$(curl \
--write-out %{http_code} \
--silent \
--output /dev/null \
-X POST \
-H 'Content-type: application/json' \
--data "${payLoad}" ${teamsUrl})
echo ${statusCode}