How do i earn money in gta online?

According to the Wikipedia entry cited, Grand Theft Auto Online is an online multiplayer action‑adventure game set in the fictional state of San Andreas. The article describes its release dates, platforms, and general gameplay mechanics such as exploring the open world and participating in cooperative or competitive modes. It does not mention any specific methods or activities that players can use to earn in‑game currency. Therefore, based solely on this evidence, I cannot provide details on earning money in the game.