Preheat oven to 375. Cover a baking sheet with tin foil and spray with cooking spray.
In a large bowl, mix together chicken, broccoli, cheese, mayonnaise, garlic, and salt until well blended. Set aside.
Unroll crescent rolls on tinfoil baking sheet; do not separate.
Roll seams of dough with rolling pin to create a large rectangle.
Cut sides of dough into eight strips, about an inch wide and three inches long, leaving center uncut.
Scoop chicken mixture into uncut center of dough.
Starting at one end, lift one strip of dough, twist in middle and stretch across filling. Repeat alternating sides until braid is formed.
Spray top lightly with cooking spray.
Bake 25-30 minutes until golden brown.