Place chopped bell peppers, minced garlic, chopped onions, diced tomatoes, fajitas seasoning, A.1. sauce, lime juice, chicken broth in the cooker and mix well.
Place chicken breast on top, no do not stir.
Place the lid on. Pressure cook on high for 15 minutes and natural release for 5 minutes. Follow the manufacture instructions for releasing the pressure. Remove the lid.
Transfer the chicken breast to a plate/bowl and shred.
Add black beans to the cooker and mix. Season with salt & pepper to taste.
Return the shredded chicken and mix well.