Screenshot:
https://s3.amazonaws.com/uploads.hipchat.com/9809/24877/WvpqAkkttkgVDl2/upload.png

Also, its not documented.

> is it possible to run a script on the zabbix server. configured in action -> operations -> custom script ->
zabbix server ? i get the error : You did not specify targets for action operation command "myscript.sh".
> screenshot : https://s3.amazonaws.com/uploads.hipchat.com/9809/24877/WvpqAkkttkgVDl2/upload.png
> i also noticed this isn't documented
> it should be documented here but its missing