# router_env Environment of payment router: logger, basic config, its environment awareness. ## Example ```rust use router_env::logger; use tracing::{self, instrument}; #[instrument] pub fn sample() -> () { logger::log!( logger::Level::INFO, payment_id = 8565654, payment_attempt_id = 596456465, merchant_id = 954865, tag = ?logger::Tag::ApiIncomingRequest, category = ?logger::Category::Api, flow = "some_flow", session_id = "some_session", ); } ```