Command option Sample:targetcli restoreconfig

Search command sample in the internet.It is the result.

targetcli restoreconfig /etc/target/cleverplex.json clear_existing=True    CleverPlex - first node installation - CleverPlex : http://cleverplex.io/2015/09/11/cleverplex-first-node-installation/
targetcli restoreconfig     Cannot restore targetcli configuration after centOS 7 server reboot. : http://www.linuxquestions.org/questions/linux-newbie-8/cannot-restore-targetcli-configuration-after-centos-7-server-reboot-4175601670/

search Google

https://www.google.com/#q=targetcli restoreconfig