From https://www.foodnetwork.com/recipes/raspberry-vinaigrette-recipe-2126466
Place water, vinegar, salt, honey, basil, and raspberries into the Vitamix container in the order listed and secure lid.
Run on Low
Turn machine on and slowly increase speed to Medium.
Remove lid plug and drizzle olive oil in a slow stream through the lid plug opening.
Replace lid plug and turn to High. Blend for an additional 10 seconds.