In a slow cooker prepared with nonstick cooking spray, dump the chicken, seasoning, beans, salsa, and green chilies.
Cover and cook on low 4 to 6 hours.
Using two forks, shred the chicken and mix everything together.
Serve in a bowl with rice, guacamole, sliced tomatoes and lime. Garnish with cilantro if desired.
To freeze, place the chicken, seasoning, beans, salsa, and green chilies into a freezer bag. Remove the air from the bag and freeze flat. May be frozen for up to 3 months. When ready to use, thaw overnight in the refrigerator. Once fully defrosted just follow the cooking steps above.