Combine beans, onion, chili peppers, corn, tomato sauce, diced tomato, cumin, chili powder and taco seasoning in slow cooker and mix well
Nestle the chicken in to completely cover and cook on LOW for 8 to 10 hours or on HIGH for 4 to 6 hours
Half hour before serving, remove chicken and shred
Return chicken to slow cooker and stir in
Top with fresh cilantro and your favorite toppings