1) In a slow cooker, add in roast.
2) Scatter the soup mix evenly over the meat. Pour cola all over the roast.
3) Close the slow cooker with the lid and cook on LOW for 8 to 10 hours.
4) Using a fork, shred the roast, or using a knife slice the roast to your liking.
5) Mix the meat with sauce and serve over buns.