Creating a PL
For locking / unlocking requests a PL should be supplied with all involved segments. From the WME screen create a PL by adjusting the zoom level so all segments to select are visible. While using the Ctrl-key select all involved segments. Then create a PL by clicking the button to which the red arrow points displays this pop-up window. Click now on the copy symbol at the right of the Permalink. This copies the Permalink. You're ready to paste it anywhere you want it.