Mark seam's shortcut code? Blender has a lovely system for creating new shortcuts. Can anyone advise me on the code for the "Mark seams" operation? Bonus points for the button-toggle (one button to mark/unmark).
Press Ctrl+E and choose "Mark Seam" or "Clear Seam" from the list.
Then, in order to add a shortcut, you can do as explained here: How to assign a keyboard shortcut for a mesh selection mode?