It looks like SST is setting up the Federated identity stuff on the backend, and I'm passing the config info into the front-end (Federated Identity Pool ID), but I'm not really sure what function I should be using to have user be re-directed to Twitter, and callback url to ping Cognito?

Leaving a note here. Followed up in this thread https://serverless-stack.slack.com/archives/C01JG3B20RY/p1651006776567279?thread_ts=1651002313.437549&cid=C01JG3B20RY