#![allow(unused_imports)] use sendgrid2::SendgridClient; use sendgrid2::model::*; #[tokio::main] async fn main() { let client = SendgridClient::from_env(); let rule_id = "your rule id"; let response = client .delete_access_settings_whitelist_rule_id(rule_id) .on_behalf_of("your on behalf of") .send() .await .unwrap(); println!("{:#?}", response); }