You'll know when you've successfully completed all casino missions in GTA 5 as Leader because the 'Full House' award will pop, and you'll be givenR$100,000 more to transform into chips at the casino. But you're not here for that: Baker also texts you to say that a special car has been dropped off for you at the docks.
To play this mission, the player must have completed all six Casino Story Missions as a host. Completing this mission allows players to see all locations and cones of vision for all security cameras during the heist.