Show me evidence that your $GOD (presumably Jaweh, but then with his image altered by some additions to your holy book only part of your community accepted, the

Show me evidence that your $GOD (presumably Jaweh, but then with his image altered by some additions to your holy book only part of your community accepted, the rest rejected the new prophet) has sent a message, and while you're at it, tell my all the others are not the correct messages. To be pedantic, Santa sends me messages every year through Coco Cola commercials. But I'm going to assume you mean older messages.