Snap to Grid

Hi, new here. I just got Cubasis and I’m trying to draw 1/8th triplet notes in the MIDI editor. How do I get the grid to display 1/8 triplet values? In the drop down menu for the grid there aren’t any dotted or triplet values like there is in the quantize menu.

I just place the notes roughly in the right position without the grid, select them, and hit quantize with the the appropriate triplet value.

Brian