Automatically select the Shrouded affix from Ta'ilh.
Three-tier selectable options for dungeon specific selection or default selection for all keys.
Specific dungeon selection will take priority over the default "all" at the top.
There are more options as well allowing you to:
Show a message to remind you to click
Mark the NPC to make it more obvious to click
Yell at others to click the guy and remind them