Playkeys can only be edited by administrators in an organisation, and NOT by tournament owners. Be careful when deleting playkes, because deleting is not irreversible.
New playkey (same as copy playkey)
See image below, bubble 1. Select the playkey row you want to copy playkey from, and click the button "Copy". The playkey data is now copied and you can click "Save changes" without any more actions (bubble 3). The play key details will also be copied and shown in the list behind bubble(4).
Be careful when deleting a playkey. Deleting is not irreversible! Click on the button "Delete" in the row you want to delete. Confirm by clicking "Save changes", bubble (3).
Just click inside a cell to edit data and confirm be clicking "Save changes".
Video showing to make a new playkey based on a copy from another
NOTE: You can add more rows by clicking on the "New" button up in left corner in the bottom table!