Induce menstruation

Hey, I know this is genuinely a crazy question but

How can I induce my period to come sooner? Long story short I have a very important event that I really really would prefer to not have my heaviest day on. I’m supposed to start it in 3 days therefore heaviest day will be in 4 days (important event)

If I can start today, or even tomorrow, would be extremely ideal. Is this a long shot lol?