How do heists work in grand theft auto online?

The only verified source supplied describes Grand Theft Auto Online as an open‑world multiplayer game set in San Andreas, its release dates, and basic gameplay elements such as exploration and player control. It does not mention heists, mission structure, or specific mechanics for heists. Therefore, based on the current evidence, we cannot detail how heists work in the game. A more specific source would be required to answer that question accurately.