Here’s a new extension attribute at https://github.com/krypted/ituneshash/blob/master/ituneshash.sh for grabbing the hash ID used for iTunes Store accounts, useful with VPP:
#!/bin/sh
#
#
#
#Jamf Pro Extension Attribute to return the App Store Account Hash for iTunes
#Note that the return is null if one is not found
#
#
result=`/usr/libexec/mdmclient QueryAppInstallation | grep iTunesStoreAccountHash | sed '/.*\"\(.*\)\".*/ s//\1/g'`
echo "<result>$result</result>"
The output is something like:
<result>oBSmAAAa0nUAAACBHe5AaALlNBg=</result>
Which would bring the string into Jamf Pro