What does Artemidores plan to do in the play Julius Caesear?

In Shakespeare's "Julius Caesar," Artemidorus, a soothsayer, plans to warn Caesar about the impending danger he faces from conspirators, particularly the plot led by Brutus and Cassius. He composes a letter detailing the threats to Caesar’s life and intends to present it to him as he passes through the streets of Rome. Despite his urgent message, Artemidorus ultimately fails to reach Caesar in time, highlighting the theme of fate versus free will in the play.