Jamf Pro extension attribute to list all Active Directory users on a computer.

Active Directory Users.zsh

#!/bin/zsh

adUsers=""

# get list of usernames

userList=$( /usr/bin/dscl . list /Users UniqueID | /usr/bin/awk '$2 > 500 { print $1 }' )

# create list of Active Directory usernames

while IFS= read aUser
do
	if [[ $( /usr/bin/dscl . read "/Users/$aUser" OriginalAuthenticationAuthority 2>/dev/null) ]]; then
		adUsers="$adUsers
$aUser"
	fi
done <<< "$userList"

# remove blank lines from list of Active Directory usernames

adUsers=$( /usr/bin/sed -e '/^$/d' <<< "$adUsers" )

# submit userList to Jamf Pro

if [[ "$adUsers" ]]; then
     echo "<result>$adUsers</result>"
else
     echo "<result>No Active Directory accounts</result>"
fi