Distribution of traffic between traffic exchange points how?

Question

Border Gateway Protocol

Good afternoon, such a question, we have three traffic exchange points connected (we are an Internet provider), we need to set priorities between 3 peerings, we need the maximum amount of traffic from the first peering, the second part to the second peering, and the rest on the 3rd peering, what option can organize all this in bgp? We assume local preference or AS-PATH PREPENDED, if it's not difficult, please tell me, we will be extremely grateful.

Answer 1

(we are internet provider)

https://www.youtube.com/watch?v=JUWBUPk5YHU