```rust
async fn main() { let ddconfig = DataDogConfigBuilder::new( "logging-service-hostname".tostring(), "logging-service".tostring(), "DUMMYAPIKEY".tostring(), ) .build();
init_tokio_logger(dd_config, None).await.unwrap();
trace!("Trace message");
debug!("Debug message");
info!("Info message");
error!("Error message");
} ```